102211111001200 has 60 divisors (see below), whose sum is σ = 245564053355008. Its totient is φ = 40884134860800.

The previous prime is 102211111001149. The next prime is 102211111001267. The reversal of 102211111001200 is 2100111112201.

It is a happy number.

It is a super-2 number, since 2×102211111001200² (a number of 29 digits) contains 22 as substring.

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, 56140384 + ... + 57932416.

Almost surely, 2^{102211111001200} is an apocalyptic number.

102211111001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211111001200 is an abundant number, since it is smaller than the sum of its proper divisors (143352942353808).

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

102211111001200 is a wasteful number, since it uses less digits than its factorization.

102211111001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934642 (or 1934631 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102211111001200 its reverse (2100111112201), we get a palindrome (104311222113401).

The spelling of 102211111001200 in words is "one hundred two trillion, two hundred eleven billion, one hundred eleven million, one thousand, two hundred".