101220201031 has 8 divisors (see below), whose sum is σ = 103950184464. Its totient is φ = 98502655680.

The previous prime is 101220200999. The next prime is 101220201037. The reversal of 101220201031 is 130102022101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101220201031 - 2⁵ = 101220200999 is a prime.

It is a super-2 number, since 2×101220201031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220201037) 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, 3093025 + ... + 3125578.

It is an arithmetic number, because the mean of its divisors is an integer number (12993773058).

Almost surely, 2^101220201031 is an apocalyptic number.

101220201031 is a deficient number, since it is larger than the sum of its proper divisors (2729983433).

101220201031 is an equidigital number, since it uses as much as digits as its factorization.

101220201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219041.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101220201031 its reverse (130102022101), we get a palindrome (231322223132).

The spelling of 101220201031 in words is "one hundred one billion, two hundred twenty million, two hundred one thousand, thirty-one".