101212202231 has 16 divisors (see below), whose sum is σ = 120101360640. Its totient is φ = 83452692960.

The previous prime is 101212202191. The next prime is 101212202233. The reversal of 101212202231 is 132202212101.

It is a de Polignac number, because none of the positive numbers 2^k-101212202231 is a prime.

It is a super-2 number, since 2×101212202231² (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 (101212202233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864881 + ... + 974906.

It is an arithmetic number, because the mean of its divisors is an integer number (7506335040).

Almost surely, 2^101212202231 is an apocalyptic number.

101212202231 is a deficient number, since it is larger than the sum of its proper divisors (18889158409).

101212202231 is a wasteful number, since it uses less digits than its factorization.

101212202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840094.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101212202231 its reverse (132202212101), we get a palindrome (233414414332).

The spelling of 101212202231 in words is "one hundred one billion, two hundred twelve million, two hundred two thousand, two hundred thirty-one".