101090920201 has 4 divisors (see below), whose sum is σ = 101102329872. Its totient is φ = 101079510532.

The previous prime is 101090920187. The next prime is 101090920211. The reversal of 101090920201 is 102029090101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102029090101 = 31 ⋅3291260971.

It is a cyclic number.

It is not a de Polignac number, because 101090920201 - 2¹⁵ = 101090887433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101090920211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5691535 + ... + 5709268.

It is an arithmetic number, because the mean of its divisors is an integer number (25275582468).

Almost surely, 2^101090920201 is an apocalyptic number.

It is an amenable number.

101090920201 is a deficient number, since it is larger than the sum of its proper divisors (11409671).

101090920201 is an equidigital number, since it uses as much as digits as its factorization.

101090920201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11409670.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 101090920201 in words is "one hundred one billion, ninety million, nine hundred twenty thousand, two hundred one".