102211211111012 has 12 divisors (see below), whose sum is σ = 179225225053056. Its totient is φ = 51004003953000.

The previous prime is 102211211110933. The next prime is 102211211111027. The reversal of 102211211111012 is 210111112112201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25400398364 + ... + 25400402387.

It is an arithmetic number, because the mean of its divisors is an integer number (14935435421088).

Almost surely, 2^{102211211111012} is an apocalyptic number.

It is an amenable number.

102211211111012 is a deficient number, since it is larger than the sum of its proper divisors (77014013942044).

102211211111012 is a wasteful number, since it uses less digits than its factorization.

102211211111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50800801258 (or 50800801256 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 102211211111012 its reverse (210111112112201), we get a palindrome (312322323223213).

The spelling of 102211211111012 in words is "one hundred two trillion, two hundred eleven billion, two hundred eleven million, one hundred eleven thousand, twelve".