101012220140420 has 48 divisors (see below), whose sum is σ = 215270779127040. Its totient is φ = 39808008574464.

The previous prime is 101012220140399. The next prime is 101012220140467. The reversal of 101012220140420 is 24041022210101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101012220140392 and 101012220140401.

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, 67711589 + ... + 69187308.

It is an arithmetic number, because the mean of its divisors is an integer number (4484807898480).

Almost surely, 2^{101012220140420} is an apocalyptic number.

101012220140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101012220140420 is an abundant number, since it is smaller than the sum of its proper divisors (114258558986620).

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

101012220140420 is a wasteful number, since it uses less digits than its factorization.

101012220140420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136899452 (or 136899450 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101012220140420 its reverse (24041022210101), we get a palindrome (125053242350521).

The spelling of 101012220140420 in words is "one hundred one trillion, twelve billion, two hundred twenty million, one hundred forty thousand, four hundred twenty".