101020120010 has 16 divisors (see below), whose sum is σ = 182840839272. Its totient is φ = 40184798400.

The previous prime is 101020119979. The next prime is 101020120027. The reversal of 101020120010 is 10021020101.

It can be written as a sum of positive squares in 4 ways, for example, as 54052995049 + 46967124961 = 232493^2 + 216719^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101020120010.

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, 27904301 + ... + 27907920.

Almost surely, 2^101020120010 is an apocalyptic number.

101020120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101020120010 is a deficient number, since it is larger than the sum of its proper divisors (81820719262).

101020120010 is a wasteful number, since it uses less digits than its factorization.

101020120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55812409.

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

Adding to 101020120010 its reverse (10021020101), we get a palindrome (111041140111).

Subtracting from 101020120010 its reverse (10021020101), we obtain a palindrome (90999099909).

The spelling of 101020120010 in words is "one hundred one billion, twenty million, one hundred twenty thousand, ten".