210021022120194 has 32 divisors (see below), whose sum is σ = 491277244728000. Its totient is φ = 66322428037632.

The previous prime is 210021022120153. The next prime is 210021022120211. The reversal of 210021022120194 is 491021220120012.

210021022120194 is a `hidden beast` number, since 21 + 0 + 0 + 210 + 221 + 20 + 194 = 666.

It is a super-2 number, since 2×210021022120194² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 102349424959 + ... + 102349427010.

It is an arithmetic number, because the mean of its divisors is an integer number (15352413897750).

Almost surely, 2^{210021022120194} is an apocalyptic number.

210021022120194 is an abundant number, since it is smaller than the sum of its proper divisors (281256222607806).

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

210021022120194 is a wasteful number, since it uses less digits than its factorization.

210021022120194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204698851999 (or 204698851993 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 210021022120194 in words is "two hundred ten trillion, twenty-one billion, twenty-two million, one hundred twenty thousand, one hundred ninety-four".