101212222022 has 4 divisors (see below), whose sum is σ = 151818333036. Its totient is φ = 50606111010.

The previous prime is 101212221977. The next prime is 101212222031. The reversal of 101212222022 is 220222212101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220222212101 = 23 ⋅9574878787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25303055504 + ... + 25303055507.

It is an arithmetic number, because the mean of its divisors is an integer number (37954583259).

Almost surely, 2^101212222022 is an apocalyptic number.

101212222022 is a deficient number, since it is larger than the sum of its proper divisors (50606111014).

101212222022 is an equidigital number, since it uses as much as digits as its factorization.

101212222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50606111013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101212222022 its reverse (220222212101), we get a palindrome (321434434123).

The spelling of 101212222022 in words is "one hundred one billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".