101102155 has 24 divisors (see below), whose sum is σ = 152411616. Its totient is φ = 63022080.

The previous prime is 101102147. The next prime is 101102171. The reversal of 101102155 is 551201101.

It is not a de Polignac number, because 101102155 - 2³ = 101102147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7702 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (6350484).

Almost surely, 2^101102155 is an apocalyptic number.

101102155 is a deficient number, since it is larger than the sum of its proper divisors (51309461).

101102155 is a wasteful number, since it uses less digits than its factorization.

101102155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23907 (or 23896 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 101102155 is about 10054.9567378483. The cubic root of 101102155 is about 465.8579067223.

Adding to 101102155 its reverse (551201101), we get a palindrome (652303256).

The spelling of 101102155 in words is "one hundred one million, one hundred two thousand, one hundred fifty-five".