213020123100102 has 24 divisors (see below), whose sum is σ = 461572780890936. Its totient is φ = 71002218339936.

The previous prime is 213020123100097. The next prime is 213020123100157. The reversal of 213020123100102 is 201001321020312.

213020123100102 is a `hidden beast` number, since 2 + 130 + 201 + 231 + 0 + 0 + 102 = 666.

It is a super-2 number, since 2×213020123100102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 373820728 + ... + 374390139.

It is an arithmetic number, because the mean of its divisors is an integer number (19232199203789).

Almost surely, 2^{213020123100102} is an apocalyptic number.

213020123100102 is an abundant number, since it is smaller than the sum of its proper divisors (248552657790834).

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

213020123100102 is a wasteful number, since it uses less digits than its factorization.

213020123100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748226692 (or 748226689 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213020123100102 its reverse (201001321020312), we get a palindrome (414021444120414).

The spelling of 213020123100102 in words is "two hundred thirteen trillion, twenty billion, one hundred twenty-three million, one hundred thousand, one hundred two".