211200012102 has 24 divisors (see below), whose sum is σ = 437467811976. Its totient is φ = 67972416064.

The previous prime is 211200012031. The next prime is 211200012103. The reversal of 211200012102 is 201210002112.

It is a super-2 number, since 2×211200012102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200012103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20922423 + ... + 20932514.

It is an arithmetic number, because the mean of its divisors is an integer number (18227825499).

Almost surely, 2^211200012102 is an apocalyptic number.

211200012102 is an abundant number, since it is smaller than the sum of its proper divisors (226267799874).

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

211200012102 is a wasteful number, since it uses less digits than its factorization.

211200012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41855000 (or 41854971 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211200012102 its reverse (201210002112), we get a palindrome (412410014214).

The spelling of 211200012102 in words is "two hundred eleven billion, two hundred million, twelve thousand, one hundred two".