22121011121210 has 32 divisors (see below), whose sum is σ = 41354427059712. Its totient is φ = 8510438456640.

The previous prime is 22121011121203. The next prime is 22121011121213. The reversal of 22121011121210 is 1212111012122.

It is not an unprimeable number, because it can be changed into a prime (22121011121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218839349 + ... + 218940408.

It is an arithmetic number, because the mean of its divisors is an integer number (1292325845616).

Almost surely, 2^{22121011121210} is an apocalyptic number.

22121011121210 is a deficient number, since it is larger than the sum of its proper divisors (19233415938502).

22121011121210 is a wasteful number, since it uses less digits than its factorization.

22121011121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437779958.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22121011121210 its reverse (1212111012122), we get a palindrome (23333122133332).

The spelling of 22121011121210 in words is "twenty-two trillion, one hundred twenty-one billion, eleven million, one hundred twenty-one thousand, two hundred ten".