101276997402 has 128 divisors (see below), whose sum is σ = 246721536000. Its totient is φ = 27675805248.

The previous prime is 101276997373. The next prime is 101276997403. The reversal of 101276997402 is 204799672101.

It is not an unprimeable number, because it can be changed into a prime (101276997403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4481343 + ... + 4503885.

It is an arithmetic number, because the mean of its divisors is an integer number (1927512000).

Almost surely, 2^101276997402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101276997402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123360768000).

101276997402 is an abundant number, since it is smaller than the sum of its proper divisors (145444538598).

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

101276997402 is a wasteful number, since it uses less digits than its factorization.

101276997402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22665 (or 22651 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 101276997402 in words is "one hundred one billion, two hundred seventy-six million, nine hundred ninety-seven thousand, four hundred two".