102011131102 has 4 divisors (see below), whose sum is σ = 153016696656. Its totient is φ = 51005565550.

The previous prime is 102011131069. The next prime is 102011131169. The reversal of 102011131102 is 201131110201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201131110201 = 7 ⋅28733015743.

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 as a sum of consecutive naturals, namely, 25502782774 + ... + 25502782777.

It is an arithmetic number, because the mean of its divisors is an integer number (38254174164).

Almost surely, 2^102011131102 is an apocalyptic number.

102011131102 is a deficient number, since it is larger than the sum of its proper divisors (51005565554).

102011131102 is an equidigital number, since it uses as much as digits as its factorization.

102011131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51005565553.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 102011131102 its reverse (201131110201), we get a palindrome (303142241303).

The spelling of 102011131102 in words is "one hundred two billion, eleven million, one hundred thirty-one thousand, one hundred two".