101211121102 has 64 divisors (see below), whose sum is σ = 188068608000. Its totient is φ = 39779506944.

The previous prime is 101211121097. The next prime is 101211121117. The reversal of 101211121102 is 201121112101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21158203 + ... + 21162985.

It is an arithmetic number, because the mean of its divisors is an integer number (2938572000).

Almost surely, 2^101211121102 is an apocalyptic number.

101211121102 is a deficient number, since it is larger than the sum of its proper divisors (86857486898).

101211121102 is a wasteful number, since it uses less digits than its factorization.

101211121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537.

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

Adding to 101211121102 its reverse (201121112101), we get a palindrome (302332233203).

Subtracting 101211121102 from its reverse (201121112101), we obtain a palindrome (99909990999).

The spelling of 101211121102 in words is "one hundred one billion, two hundred eleven million, one hundred twenty-one thousand, one hundred two".