22011102121700 has 72 divisors (see below), whose sum is σ = 48679395402624. Its totient is φ = 8636507856000.

The previous prime is 22011102121699. The next prime is 22011102121747. The reversal of 22011102121700 is 712120111022.

It is a happy number.

It is a super-2 number, since 2×22011102121700² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2677346 + ... + 7154745.

Almost surely, 2^{22011102121700} is an apocalyptic number.

22011102121700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011102121700 is an abundant number, since it is smaller than the sum of its proper divisors (26668293280924).

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

22011102121700 is a wasteful number, since it uses less digits than its factorization.

22011102121700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832533 (or 9832526 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 22011102121700 its reverse (712120111022), we get a palindrome (22723222232722).

The spelling of 22011102121700 in words is "twenty-two trillion, eleven billion, one hundred two million, one hundred twenty-one thousand, seven hundred".