121020021000202 has 8 divisors (see below), whose sum is σ = 181573242660612. Its totient is φ = 60495606780000.

The previous prime is 121020021000187. The next prime is 121020021000283. The reversal of 121020021000202 is 202000120020121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118980297180481 + 2039723819721 = 10907809^2 + 1428189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7201849549 + ... + 7201866352.

Almost surely, 2^{121020021000202} is an apocalyptic number.

121020021000202 is a deficient number, since it is larger than the sum of its proper divisors (60553221660410).

121020021000202 is a wasteful number, since it uses less digits than its factorization.

121020021000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14403720104.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121020021000202 its reverse (202000120020121), we get a palindrome (323020141020323).

The spelling of 121020021000202 in words is "one hundred twenty-one trillion, twenty billion, twenty-one million, two hundred two", and thus it is an aban number.