20122111202210 has 64 divisors (see below), whose sum is σ = 39383918589312. Its totient is φ = 7372498646016.

The previous prime is 20122111202203. The next prime is 20122111202233. The reversal of 20122111202210 is 1220211122102.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2943872 + ... + 6993611.

It is an arithmetic number, because the mean of its divisors is an integer number (615373727958).

Almost surely, 2^{20122111202210} is an apocalyptic number.

20122111202210 is a deficient number, since it is larger than the sum of its proper divisors (19261807387102).

20122111202210 is a wasteful number, since it uses less digits than its factorization.

20122111202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937827.

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

Adding to 20122111202210 its reverse (1220211122102), we get a palindrome (21342322324312).

The spelling of 20122111202210 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, two hundred two thousand, two hundred ten".