121010221202 has 32 divisors (see below), whose sum is σ = 209026110384. Its totient is φ = 52045056000.

The previous prime is 121010221193. The next prime is 121010221207. The reversal of 121010221202 is 202122010121.

It can be written as a sum of positive squares in 8 ways, for example, as 107570224441 + 13439996761 = 327979^2 + 115931^2 .

It is not an unprimeable number, because it can be changed into a prime (121010221207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1310699 + ... + 1399982.

Almost surely, 2^121010221202 is an apocalyptic number.

121010221202 is a deficient number, since it is larger than the sum of its proper divisors (88015889182).

121010221202 is a wasteful number, since it uses less digits than its factorization.

121010221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710814.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121010221202 its reverse (202122010121), we get a palindrome (323132231323).

The spelling of 121010221202 in words is "one hundred twenty-one billion, ten million, two hundred twenty-one thousand, two hundred two".