22120121113100 has 36 divisors (see below), whose sum is σ = 49171410698088. Its totient is φ = 8632242384000.

The previous prime is 22120121113099. The next prime is 22120121113121. The reversal of 22120121113100 is 131112102122.

It is a happy number.

It is a super-2 number, since 2×22120121113100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2697571646 + ... + 2697579845.

Almost surely, 2^{22120121113100} is an apocalyptic number.

22120121113100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120121113100 is an abundant number, since it is smaller than the sum of its proper divisors (27051289584988).

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

22120121113100 is a wasteful number, since it uses less digits than its factorization.

22120121113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395151546 (or 5395151539 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 22120121113100 its reverse (131112102122), we get a palindrome (22251233215222).

The spelling of 22120121113100 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, one hundred thirteen thousand, one hundred".