101561156210 has 16 divisors (see below), whose sum is σ = 182905978176. Its totient is φ = 40603152048.

The previous prime is 101561156197. The next prime is 101561156267. The reversal of 101561156210 is 12651165101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643782 + ... + 2681921.

It is an arithmetic number, because the mean of its divisors is an integer number (11431623636).

Almost surely, 2^101561156210 is an apocalyptic number.

101561156210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101561156210 is a deficient number, since it is larger than the sum of its proper divisors (81344821966).

101561156210 is a wasteful number, since it uses less digits than its factorization.

101561156210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327617.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 101561156210 in words is "one hundred one billion, five hundred sixty-one million, one hundred fifty-six thousand, two hundred ten".