22111220200102 has 16 divisors (see below), whose sum is σ = 36273135236112. Its totient is φ = 10025238373920.

The previous prime is 22111220200087. The next prime is 22111220200171. The reversal of 22111220200102 is 20100202211122.

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, 1265804193 + ... + 1265821660.

It is an arithmetic number, because the mean of its divisors is an integer number (2267070952257).

Almost surely, 2^{22111220200102} is an apocalyptic number.

22111220200102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22111220200102 is a deficient number, since it is larger than the sum of its proper divisors (14161915036010).

22111220200102 is a wasteful number, since it uses less digits than its factorization.

22111220200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531626263.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22111220200102 its reverse (20100202211122), we get a palindrome (42211422411224).

It can be divided in two parts, 22111220 and 200102, that added together give a palindrome (22311322).

The spelling of 22111220200102 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, two hundred thousand, one hundred two".