101249244988 has 6 divisors (see below), whose sum is σ = 177186178736. Its totient is φ = 50624622492.

The previous prime is 101249244961. The next prime is 101249245003. The reversal of 101249244988 is 889442942101.

It is a super-2 number, since 2×101249244988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12656155620 + ... + 12656155627.

Almost surely, 2^101249244988 is an apocalyptic number.

It is an amenable number.

101249244988 is a deficient number, since it is larger than the sum of its proper divisors (75936933748).

101249244988 is a wasteful number, since it uses less digits than its factorization.

101249244988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25312311251 (or 25312311249 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 101249244988 in words is "one hundred one billion, two hundred forty-nine million, two hundred forty-four thousand, nine hundred eighty-eight".