121020012202 has 16 divisors (see below), whose sum is σ = 184357597320. Its totient is φ = 59573316352.

The previous prime is 121020012187. The next prime is 121020012263. The reversal of 121020012202 is 202210020121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26383180041 + 94636832161 = 162429^2 + 307631^2 .

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, 1417513 + ... + 1500460.

Almost surely, 2^121020012202 is an apocalyptic number.

121020012202 is a deficient number, since it is larger than the sum of its proper divisors (63337585118).

121020012202 is a wasteful number, since it uses less digits than its factorization.

121020012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918297.

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

Adding to 121020012202 its reverse (202210020121), we get a palindrome (323230032323).

The spelling of 121020012202 in words is "one hundred twenty-one billion, twenty million, twelve thousand, two hundred two".