2101011202231 has 2 divisors, whose sum is σ = 2101011202232. Its totient is φ = 2101011202230.

The previous prime is 2101011202223. The next prime is 2101011202261. The reversal of 2101011202231 is 1322021101012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101011202231 - 2³ = 2101011202223 is a prime.

It is a super-2 number, since 2×2101011202231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101011202261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050505601115 + 1050505601116.

It is an arithmetic number, because the mean of its divisors is an integer number (1050505601116).

Almost surely, 2^{2101011202231} is an apocalyptic number.

2101011202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101011202231 is an equidigital number, since it uses as much as digits as its factorization.

2101011202231 is an evil number, because the sum of its binary digits is even.

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

Adding to 2101011202231 its reverse (1322021101012), we get a palindrome (3423032303243).

The spelling of 2101011202231 in words is "two trillion, one hundred one billion, eleven million, two hundred two thousand, two hundred thirty-one".