1022012102 has 4 divisors (see below), whose sum is σ = 1533018156. Its totient is φ = 511006050.

The previous prime is 1022012059. The next prime is 1022012129. The reversal of 1022012102 is 2012102201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255503024 + ... + 255503027.

It is an arithmetic number, because the mean of its divisors is an integer number (383254539).

Almost surely, 2^1022012102 is an apocalyptic number.

1022012102 is a deficient number, since it is larger than the sum of its proper divisors (511006054).

1022012102 is an equidigital number, since it uses as much as digits as its factorization.

1022012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511006053.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1022012102 is about 31968.9240044140. The cubic root of 1022012102 is about 1007.2841792351.

Adding to 1022012102 its reverse (2012102201), we get a palindrome (3034114303).

Subtracting 1022012102 from its reverse (2012102201), we obtain a palindrome (990090099).

It can be divided in two parts, 10220 and 12102, that added together give a palindrome (22322).

The spelling of 1022012102 in words is "one billion, twenty-two million, twelve thousand, one hundred two".