101021010993 has 12 divisors (see below), whose sum is σ = 166764843648. Its totient is φ = 57726291960.

The previous prime is 101021010989. The next prime is 101021011027. The reversal of 101021010993 is 399010120101.

It is not a de Polignac number, because 101021010993 - 2² = 101021010989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101021010943) 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, 801753993 + ... + 801754118.

It is an arithmetic number, because the mean of its divisors is an integer number (13897070304).

Almost surely, 2^101021010993 is an apocalyptic number.

It is an amenable number.

101021010993 is a deficient number, since it is larger than the sum of its proper divisors (65743832655).

101021010993 is a wasteful number, since it uses less digits than its factorization.

101021010993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603508124 (or 1603508121 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The spelling of 101021010993 in words is "one hundred one billion, twenty-one million, ten thousand, nine hundred ninety-three".