22111012121210 has 16 divisors (see below), whose sum is σ = 39803652225792. Its totient is φ = 8843553646800.

The previous prime is 22111012121203. The next prime is 22111012121227. The reversal of 22111012121210 is 1212121011122.

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, 106291106 + ... + 106498925.

It is an arithmetic number, because the mean of its divisors is an integer number (2487728264112).

Almost surely, 2^{22111012121210} is an apocalyptic number.

22111012121210 is a deficient number, since it is larger than the sum of its proper divisors (17692640104582).

22111012121210 is a wasteful number, since it uses less digits than its factorization.

22111012121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212800429.

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

Adding to 22111012121210 its reverse (1212121011122), we get a palindrome (23323133132332).

The spelling of 22111012121210 in words is "twenty-two trillion, one hundred eleven billion, twelve million, one hundred twenty-one thousand, two hundred ten".