121012211010202 has 16 divisors (see below), whose sum is σ = 183240780180480. Its totient is φ = 59932111634208.

The previous prime is 121012211010193. The next prime is 121012211010227. The reversal of 121012211010202 is 202010112210121.

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, 38661123 + ... + 41673814.

It is an arithmetic number, because the mean of its divisors is an integer number (11452548761280).

Almost surely, 2^{121012211010202} is an apocalyptic number.

121012211010202 is a deficient number, since it is larger than the sum of its proper divisors (62228569170278).

121012211010202 is a wasteful number, since it uses less digits than its factorization.

121012211010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80342085.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121012211010202 its reverse (202010112210121), we get a palindrome (323022323220323).

The spelling of 121012211010202 in words is "one hundred twenty-one trillion, twelve billion, two hundred eleven million, ten thousand, two hundred two".