22100021121002 has 16 divisors (see below), whose sum is σ = 36164949947712. Its totient is φ = 10045108861920.

The previous prime is 22100021120939. The next prime is 22100021121043. The reversal of 22100021121002 is 20012112000122.

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, 17127518 + ... + 18372585.

It is an arithmetic number, because the mean of its divisors is an integer number (2260309371732).

Almost surely, 2^{22100021121002} is an apocalyptic number.

22100021121002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22100021121002 is a deficient number, since it is larger than the sum of its proper divisors (14064928826710).

22100021121002 is a wasteful number, since it uses less digits than its factorization.

22100021121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35528413.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22100021121002 its reverse (20012112000122), we get a palindrome (42112133121124).

The spelling of 22100021121002 in words is "twenty-two trillion, one hundred billion, twenty-one million, one hundred twenty-one thousand, two".