91092920102 has 16 divisors (see below), whose sum is σ = 138383769600. Its totient is φ = 44965120200.

The previous prime is 91092920041. The next prime is 91092920117. The reversal of 91092920102 is 20102929019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794977 + ... + 1845027.

It is an arithmetic number, because the mean of its divisors is an integer number (8648985600).

Almost surely, 2^91092920102 is an apocalyptic number.

91092920102 is a deficient number, since it is larger than the sum of its proper divisors (47290849498).

91092920102 is a wasteful number, since it uses less digits than its factorization.

91092920102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61651.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 91092920102 in words is "ninety-one billion, ninety-two million, nine hundred twenty thousand, one hundred two".