201351477922188 has 48 divisors (see below), whose sum is σ = 512531914177920. Its totient is φ = 61015494672000.

The previous prime is 201351477922171. The next prime is 201351477922327. The reversal of 201351477922188 is 881229774153102.

It is a super-2 number, since 2×201351477922188² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114741528 + ... + 116483136.

It is an arithmetic number, because the mean of its divisors is an integer number (10677748212040).

Almost surely, 2^{201351477922188} is an apocalyptic number.

It is an amenable number.

201351477922188 is an abundant number, since it is smaller than the sum of its proper divisors (311180436255732).

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

201351477922188 is a wasteful number, since it uses less digits than its factorization.

201351477922188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617478 (or 2617476 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 201351477922188 in words is "two hundred one trillion, three hundred fifty-one billion, four hundred seventy-seven million, nine hundred twenty-two thousand, one hundred eighty-eight".