102212002021231 has 24 divisors (see below), whose sum is σ = 109078289295360. Its totient is φ = 95757018282576.

The previous prime is 102212002021223. The next prime is 102212002021237. The reversal of 102212002021231 is 132120200212201.

It is not a de Polignac number, because 102212002021231 - 2³ = 102212002021223 is a prime.

It is a super-2 number, since 2×102212002021231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 102212002021199 and 102212002021208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212002021237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10444060 + ... + 17705998.

It is an arithmetic number, because the mean of its divisors is an integer number (4544928720640).

Almost surely, 2^{102212002021231} is an apocalyptic number.

102212002021231 is a deficient number, since it is larger than the sum of its proper divisors (6866287274129).

102212002021231 is a wasteful number, since it uses less digits than its factorization.

102212002021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262411 (or 7262392 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102212002021231 its reverse (132120200212201), we get a palindrome (234332202233432).

The spelling of 102212002021231 in words is "one hundred two trillion, two hundred twelve billion, two million, twenty-one thousand, two hundred thirty-one".