101220113452 has 12 divisors (see below), whose sum is σ = 177232378176. Its totient is φ = 50582291120.

The previous prime is 101220113369. The next prime is 101220113479. The reversal of 101220113452 is 254311022101.

It is a super-2 number, since 2×101220113452² (a number of 23 digits) contains 22 as substring.

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, 6933199 + ... + 6947782.

It is an arithmetic number, because the mean of its divisors is an integer number (14769364848).

Almost surely, 2^101220113452 is an apocalyptic number.

It is an amenable number.

101220113452 is a deficient number, since it is larger than the sum of its proper divisors (76012264724).

101220113452 is a wasteful number, since it uses less digits than its factorization.

101220113452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13882808 (or 13882806 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 101220113452 its reverse (254311022101), we get a palindrome (355531135553).

The spelling of 101220113452 in words is "one hundred one billion, two hundred twenty million, one hundred thirteen thousand, four hundred fifty-two".