101111020197 has 16 divisors (see below), whose sum is σ = 147236424192. Its totient is φ = 61210302320.

The previous prime is 101111020177. The next prime is 101111020211. The reversal of 101111020197 is 791020111101.

It is a cyclic number.

It is not a de Polignac number, because 101111020197 - 2³⁶ = 32391543461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111020177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697883 + ... + 1756424.

It is an arithmetic number, because the mean of its divisors is an integer number (9202276512).

Almost surely, 2^101111020197 is an apocalyptic number.

It is an amenable number.

101111020197 is a deficient number, since it is larger than the sum of its proper divisors (46125403995).

101111020197 is a wasteful number, since it uses less digits than its factorization.

101111020197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455208.

The product of its (nonzero) digits is 126, while the sum is 24.

Adding to 101111020197 its reverse (791020111101), we get a palindrome (892131131298).

The spelling of 101111020197 in words is "one hundred one billion, one hundred eleven million, twenty thousand, one hundred ninety-seven".