101402215303656 has 128 divisors (see below), whose sum is σ = 259388249702400. Its totient is φ = 33021879072000.

The previous prime is 101402215303573. The next prime is 101402215303673. The reversal of 101402215303656 is 656303512204101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1228198105 + ... + 1228280663.

It is an arithmetic number, because the mean of its divisors is an integer number (2026470700800).

Almost surely, 2^{101402215303656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101402215303656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129694124851200).

101402215303656 is an abundant number, since it is smaller than the sum of its proper divisors (157986034398744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101402215303656 is a wasteful number, since it uses less digits than its factorization.

101402215303656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86719 (or 86715 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 101402215303656 its reverse (656303512204101), we get a palindrome (757705727507757).

The spelling of 101402215303656 in words is "one hundred one trillion, four hundred two billion, two hundred fifteen million, three hundred three thousand, six hundred fifty-six".