101501311113220 has 12 divisors (see below), whose sum is σ = 213152753337804. Its totient is φ = 40600524445280.

The previous prime is 101501311113187. The next prime is 101501311113487. The reversal of 101501311113220 is 22311113105101.

It can be written as a sum of positive squares in 2 ways, for example, as 64628993894656 + 36872317218564 = 8039216^2 + 6072258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101501311113191 and 101501311113200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2537532777811 + ... + 2537532777850.

It is an arithmetic number, because the mean of its divisors is an integer number (17762729444817).

Almost surely, 2^{101501311113220} is an apocalyptic number.

101501311113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101501311113220 is an abundant number, since it is smaller than the sum of its proper divisors (111651442224584).

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

101501311113220 is a wasteful number, since it uses less digits than its factorization.

101501311113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075065555670 (or 5075065555668 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 101501311113220 its reverse (22311113105101), we get a palindrome (123812424218321).

The spelling of 101501311113220 in words is "one hundred one trillion, five hundred one billion, three hundred eleven million, one hundred thirteen thousand, two hundred twenty".