101620113 has 32 divisors (see below), whose sum is σ = 163799040. Its totient is φ = 54743040.

The previous prime is 101620091. The next prime is 101620117. The reversal of 101620113 is 311026101.

It is not a de Polignac number, because 101620113 - 2⁵ = 101620081 is a prime.

It is a super-2 number, since 2×101620113² = 20653294732265538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101620092 and 101620101.

It is not an unprimeable number, because it can be changed into a prime (101620117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102048 + ... + 103038.

It is an arithmetic number, because the mean of its divisors is an integer number (5118720).

Almost surely, 2^101620113 is an apocalyptic number.

It is an amenable number.

101620113 is a deficient number, since it is larger than the sum of its proper divisors (62178927).

101620113 is a wasteful number, since it uses less digits than its factorization.

101620113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 101620113 is about 10080.6801853843. The cubic root of 101620113 is about 466.6520999421.

Adding to 101620113 its reverse (311026101), we get a palindrome (412646214).

The spelling of 101620113 in words is "one hundred one million, six hundred twenty thousand, one hundred thirteen".