1020122220202 has 16 divisors (see below), whose sum is σ = 1562696987400. Its totient is φ = 499336710400.

The previous prime is 1020122220179. The next prime is 1020122220217. The reversal of 1020122220202 is 2020222210201.

It can be written as a sum of positive squares in 4 ways, for example, as 1020122220121 + 81 = 1010011^2 + 9^2 .

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, 28353427 + ... + 28389382.

Almost surely, 2^{1020122220202} is an apocalyptic number.

1020122220202 is a deficient number, since it is larger than the sum of its proper divisors (542574767198).

1020122220202 is a wasteful number, since it uses less digits than its factorization.

1020122220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56743001.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1020122220202 its reverse (2020222210201), we get a palindrome (3040344430403).

The spelling of 1020122220202 in words is "one trillion, twenty billion, one hundred twenty-two million, two hundred twenty thousand, two hundred two".