101288992994 has 12 divisors (see below), whose sum is σ = 176738957334. Its totient is φ = 43409568384.

The previous prime is 101288992993. The next prime is 101288992999. The reversal of 101288992994 is 499299882101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 94472013769 + 6816979225 = 307363^2 + 82565^2 .

It is not an unprimeable number, because it can be changed into a prime (101288992991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516780479 + ... + 516780674.

Almost surely, 2^101288992994 is an apocalyptic number.

101288992994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

101288992994 is a deficient number, since it is larger than the sum of its proper divisors (75449964340).

101288992994 is a wasteful number, since it uses less digits than its factorization.

101288992994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033561169 (or 1033561162 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 62.

The spelling of 101288992994 in words is "one hundred one billion, two hundred eighty-eight million, nine hundred ninety-two thousand, nine hundred ninety-four".