211122201031 has 8 divisors (see below), whose sum is σ = 242058345984. Its totient is φ = 180380013720.

The previous prime is 211122201007. The next prime is 211122201041. The reversal of 211122201031 is 130102221112.

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 211122201031 - 2¹³ = 211122192839 is a prime.

It is a super-2 number, since 2×211122201031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211122200996 and 211122201014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122201041) 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, 48487075 + ... + 48491428.

It is an arithmetic number, because the mean of its divisors is an integer number (30257293248).

Almost surely, 2^211122201031 is an apocalyptic number.

211122201031 is a deficient number, since it is larger than the sum of its proper divisors (30936144953).

211122201031 is an equidigital number, since it uses as much as digits as its factorization.

211122201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96978821.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211122201031 its reverse (130102221112), we get a palindrome (341224422143).

The spelling of 211122201031 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred one thousand, thirty-one".