122121021211202 has 64 divisors (see below), whose sum is σ = 207429078376800. Its totient is φ = 53525608980480.

The previous prime is 122121021211169. The next prime is 122121021211223. The reversal of 122121021211202 is 202112120121221.

It can be written as a sum of positive squares in 16 ways, for example, as 10567902190561 + 111553119020641 = 3250831^2 + 10561871^2 .

It is a super-3 number, since 3×122121021211202³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1604094674 + ... + 1604170802.

Almost surely, 2^{122121021211202} is an apocalyptic number.

122121021211202 is a deficient number, since it is larger than the sum of its proper divisors (85308057165598).

122121021211202 is a wasteful number, since it uses less digits than its factorization.

122121021211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122121021211202 its reverse (202112120121221), we get a palindrome (324233141332423).

The spelling of 122121021211202 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, twenty-one million, two hundred eleven thousand, two hundred two".