121121012221202 has 32 divisors (see below), whose sum is σ = 211125717267840. Its totient is φ = 51037273313280.

The previous prime is 121121012221133. The next prime is 121121012221273. The reversal of 121121012221202 is 202122210121121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26738543 + ... + 30938514.

It is an arithmetic number, because the mean of its divisors is an integer number (6597678664620).

Almost surely, 2^{121121012221202} is an apocalyptic number.

121121012221202 is a deficient number, since it is larger than the sum of its proper divisors (90004705046638).

121121012221202 is a wasteful number, since it uses less digits than its factorization.

121121012221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57679586.

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

Adding to 121121012221202 its reverse (202122210121121), we get a palindrome (323243222342323).

The spelling of 121121012221202 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, twelve million, two hundred twenty-one thousand, two hundred two".