211322130102 has 48 divisors (see below), whose sum is σ = 458479318752. Its totient is φ = 70346223360.

The previous prime is 211322130091. The next prime is 211322130137. The reversal of 211322130102 is 201031223112.

211322130102 is a `hidden beast` number, since 211 + 322 + 1 + 30 + 102 = 666.

It is a super-2 number, since 2×211322130102² (a number of 23 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 23 ways as a sum of consecutive naturals, for example, 77948527 + ... + 77951237.

It is an arithmetic number, because the mean of its divisors is an integer number (9551652474).

Almost surely, 2^211322130102 is an apocalyptic number.

211322130102 is an abundant number, since it is smaller than the sum of its proper divisors (247157188650).

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

211322130102 is a wasteful number, since it uses less digits than its factorization.

211322130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933 (or 6930 counting only the distinct ones).

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

Adding to 211322130102 its reverse (201031223112), we get a palindrome (412353353214).

The spelling of 211322130102 in words is "two hundred eleven billion, three hundred twenty-two million, one hundred thirty thousand, one hundred two".