101210025949 has 12 divisors (see below), whose sum is σ = 107836050400. Its totient is φ = 94727840904.

The previous prime is 101210025899. The next prime is 101210026039. The reversal of 101210025949 is 949520012101.

It is not a de Polignac number, because 101210025949 - 2⁷ = 101210025821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210025349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255729 + ... + 517510.

Almost surely, 2^101210025949 is an apocalyptic number.

101210025949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

101210025949 is a deficient number, since it is larger than the sum of its proper divisors (6626024451).

101210025949 is an frugal number, since it uses more digits than its factorization.

101210025949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773424 (or 773341 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 101210025949 in words is "one hundred one billion, two hundred ten million, twenty-five thousand, nine hundred forty-nine".