22222021002128 has 40 divisors (see below), whose sum is σ = 44073776681088. Its totient is φ = 10848346411392.

The previous prime is 22222021002121. The next prime is 22222021002161. The reversal of 22222021002128 is 82120012022222.

It is a junction number, because it is equal to n+sod(n) for n = 22222021002097 and 22222021002106.

It is not an unprimeable number, because it can be changed into a prime (22222021002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4601075 + ... + 8100242.

Almost surely, 2^{22222021002128} is an apocalyptic number.

It is an amenable number.

22222021002128 is a deficient number, since it is larger than the sum of its proper divisors (21851755678960).

22222021002128 is a wasteful number, since it uses less digits than its factorization.

22222021002128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12703911 (or 12703905 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The spelling of 22222021002128 in words is "twenty-two trillion, two hundred twenty-two billion, twenty-one million, two thousand, one hundred twenty-eight".