22011111210102 has 16 divisors (see below), whose sum is σ = 50311111337472. Its totient is φ = 6288888917160.

The previous prime is 22011111210089. The next prime is 22011111210113. The reversal of 22011111210102 is 20101211111022.

It is a happy number.

It is a congruent number.

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, 262037038174 + ... + 262037038257.

It is an arithmetic number, because the mean of its divisors is an integer number (3144444458592).

Almost surely, 2^{22011111210102} is an apocalyptic number.

22011111210102 is an abundant number, since it is smaller than the sum of its proper divisors (28300000127370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22011111210102 is a wasteful number, since it uses less digits than its factorization.

22011111210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524074076443.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22011111210102 its reverse (20101211111022), we get a palindrome (42112322321124).

The spelling of 22011111210102 in words is "twenty-two trillion, eleven billion, one hundred eleven million, two hundred ten thousand, one hundred two".