1021122020202 has 16 divisors (see below), whose sum is σ = 2131037259840. Its totient is φ = 325575136832.

The previous prime is 1021122020197. The next prime is 1021122020239. The reversal of 1021122020202 is 2020202211201.

It is a super-3 number, since 3×1021122020202³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699717327 + ... + 3699717602.

It is an arithmetic number, because the mean of its divisors is an integer number (133189828740).

Almost surely, 2^{1021122020202} is an apocalyptic number.

1021122020202 is an abundant number, since it is smaller than the sum of its proper divisors (1109915239638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021122020202 is a wasteful number, since it uses less digits than its factorization.

1021122020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399434957.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1021122020202 its reverse (2020202211201), we get a palindrome (3041324231403).

The spelling of 1021122020202 in words is "one trillion, twenty-one billion, one hundred twenty-two million, twenty thousand, two hundred two".