101021020010 has 32 divisors (see below), whose sum is σ = 191435270400. Its totient is φ = 38276245440.

The previous prime is 101021019989. The next prime is 101021020091. The reversal of 101021020010 is 10020120101.

It is a self number, because there is not a number n which added to its sum of digits gives 101021020010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1471040 + ... + 1538180.

It is an arithmetic number, because the mean of its divisors is an integer number (5982352200).

Almost surely, 2^101021020010 is an apocalyptic number.

101021020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101021020010 is a deficient number, since it is larger than the sum of its proper divisors (90414250390).

101021020010 is a wasteful number, since it uses less digits than its factorization.

101021020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75086.

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

Adding to 101021020010 its reverse (10020120101), we get a palindrome (111041140111).

The spelling of 101021020010 in words is "one hundred one billion, twenty-one million, twenty thousand, ten".