101020001120 has 48 divisors (see below), whose sum is σ = 240890258448. Its totient is φ = 40030348800.

The previous prime is 101020001111. The next prime is 101020001123. The reversal of 101020001120 is 21100020101.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 101020001098 and 101020001107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020001123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933231 + ... + 2967470.

It is an arithmetic number, because the mean of its divisors is an integer number (5018547051).

Almost surely, 2^101020001120 is an apocalyptic number.

101020001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020001120 is an abundant number, since it is smaller than the sum of its proper divisors (139870257328).

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

101020001120 is a wasteful number, since it uses less digits than its factorization.

101020001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900823 (or 5900815 counting only the distinct ones).

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

Adding to 101020001120 its reverse (21100020101), we get a palindrome (122120021221).

The spelling of 101020001120 in words is "one hundred one billion, twenty million, one thousand, one hundred twenty".