102211020211031 has 8 divisors (see below), whose sum is σ = 102239191615440. Its totient is φ = 102182852673792.

The previous prime is 102211020210997. The next prime is 102211020211049. The reversal of 102211020211031 is 130112020112201.

It is a happy number.

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 102211020211031 - 2¹⁸ = 102211019948887 is a prime.

It is a super-2 number, since 2×102211020211031² (a number of 29 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 (102211020511031) 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, 52305041 + ... + 54223973.

It is an arithmetic number, because the mean of its divisors is an integer number (12779898951930).

Almost surely, 2^{102211020211031} is an apocalyptic number.

102211020211031 is a deficient number, since it is larger than the sum of its proper divisors (28171404409).

102211020211031 is an equidigital number, since it uses as much as digits as its factorization.

102211020211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933585.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102211020211031 its reverse (130112020112201), we get a palindrome (232323040323232).

The spelling of 102211020211031 in words is "one hundred two trillion, two hundred eleven billion, twenty million, two hundred eleven thousand, thirty-one".