102010199291 has 32 divisors (see below), whose sum is σ = 141687705600. Its totient is φ = 70843812480.

The previous prime is 102010199261. The next prime is 102010199323. The reversal of 102010199291 is 192991010201.

It is a de Polignac number, because none of the positive numbers 2^k-102010199291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102010199261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1728011 + ... + 1786068.

It is an arithmetic number, because the mean of its divisors is an integer number (4427740800).

Almost surely, 2^102010199291 is an apocalyptic number.

102010199291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102010199291 is a deficient number, since it is larger than the sum of its proper divisors (39677506309).

102010199291 is a wasteful number, since it uses less digits than its factorization.

102010199291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514139.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 102010199291 in words is "one hundred two billion, ten million, one hundred ninety-nine thousand, two hundred ninety-one".