101021002010 has 16 divisors (see below), whose sum is σ = 181853440200. Its totient is φ = 40404926016.

The previous prime is 101021002009. The next prime is 101021002021. The reversal of 101021002010 is 10200120101.

It can be written as a sum of positive squares in 4 ways, for example, as 49083959401 + 51937042609 = 221549^2 + 227897^2 .

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, 310565 + ... + 546344.

Almost surely, 2^101021002010 is an apocalyptic number.

101021002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101021002010 is a deficient number, since it is larger than the sum of its proper divisors (80832438190).

101021002010 is a wasteful number, since it uses less digits than its factorization.

101021002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868705.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101021002010 its reverse (10200120101), we get a palindrome (111221122111).

The spelling of 101021002010 in words is "one hundred one billion, twenty-one million, two thousand, ten".