2101202202031 has 2 divisors, whose sum is σ = 2101202202032. Its totient is φ = 2101202202030.

The previous prime is 2101202202019. The next prime is 2101202202097. The reversal of 2101202202031 is 1302022021012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101202202031 - 2¹⁵ = 2101202169263 is a prime.

It is a super-2 number, since 2×2101202202031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101202201996 and 2101202202014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101202262031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050601101015 + 1050601101016.

It is an arithmetic number, because the mean of its divisors is an integer number (1050601101016).

Almost surely, 2^{2101202202031} is an apocalyptic number.

2101202202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101202202031 is an equidigital number, since it uses as much as digits as its factorization.

2101202202031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2101202202031 its reverse (1302022021012), we get a palindrome (3403224223043).

The spelling of 2101202202031 in words is "two trillion, one hundred one billion, two hundred two million, two hundred two thousand, thirty-one".