101021031402 has 32 divisors (see below), whose sum is σ = 210904370304. Its totient is φ = 32226465600.

The previous prime is 101021031401. The next prime is 101021031437. The reversal of 101021031402 is 204130120101.

It is not an unprimeable number, because it can be changed into a prime (101021031401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3716374 + ... + 3743457.

It is an arithmetic number, because the mean of its divisors is an integer number (6590761572).

Almost surely, 2^101021031402 is an apocalyptic number.

101021031402 is an abundant number, since it is smaller than the sum of its proper divisors (109883338902).

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

101021031402 is a wasteful number, since it uses less digits than its factorization.

101021031402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7459934.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101021031402 its reverse (204130120101), we get a palindrome (305151151503).

The spelling of 101021031402 in words is "one hundred one billion, twenty-one million, thirty-one thousand, four hundred two".