102111211022200 has 24 divisors (see below), whose sum is σ = 237408565627080. Its totient is φ = 40844484408800.

The previous prime is 102111211022087. The next prime is 102111211022201. The reversal of 102111211022200 is 2220112111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111211022201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255278027356 + ... + 255278027755.

It is an arithmetic number, because the mean of its divisors is an integer number (9892023567795).

Almost surely, 2^{102111211022200} is an apocalyptic number.

102111211022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111211022200 is an abundant number, since it is smaller than the sum of its proper divisors (135297354604880).

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

102111211022200 is a wasteful number, since it uses less digits than its factorization.

102111211022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510556055127 (or 510556055118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102111211022200 its reverse (2220112111201), we get a palindrome (104331323133401).

The spelling of 102111211022200 in words is "one hundred two trillion, one hundred eleven billion, two hundred eleven million, twenty-two thousand, two hundred".