101121440120 has 32 divisors (see below), whose sum is σ = 227546230320. Its totient is φ = 40444488960.

The previous prime is 101121440093. The next prime is 101121440129. The reversal of 101121440120 is 21044121101.

It is a super-2 number, since 2×101121440120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121440129) 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, 289955 + ... + 535085.

Almost surely, 2^101121440120 is an apocalyptic number.

101121440120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121440120 is an abundant number, since it is smaller than the sum of its proper divisors (126424790200).

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

101121440120 is a wasteful number, since it uses less digits than its factorization.

101121440120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255455 (or 255451 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101121440120 its reverse (21044121101), we get a palindrome (122165561221).

The spelling of 101121440120 in words is "one hundred one billion, one hundred twenty-one million, four hundred forty thousand, one hundred twenty".