201121122202010 has 32 divisors (see below), whose sum is σ = 364710844821312. Its totient is φ = 79852255580160.

The previous prime is 201121122202003. The next prime is 201121122202037. The reversal of 201121122202010 is 10202221121102.

It is a self number, because there is not a number n which added to its sum of digits gives 201121122202010.

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, 137536376 + ... + 138990995.

It is an arithmetic number, because the mean of its divisors is an integer number (11397213900666).

Almost surely, 2^{201121122202010} is an apocalyptic number.

201121122202010 is a deficient number, since it is larger than the sum of its proper divisors (163589722619302).

201121122202010 is a wasteful number, since it uses less digits than its factorization.

201121122202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276527918.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201121122202010 its reverse (10202221121102), we get a palindrome (211323343323112).

The spelling of 201121122202010 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, ten".