102021312221132 has 12 divisors (see below), whose sum is σ = 178585200168480. Its totient is φ = 50996969315856.

The previous prime is 102021312221113. The next prime is 102021312221183. The reversal of 102021312221132 is 231122213120201.

It is a super-2 number, since 2×102021312221132² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102021312221098 and 102021312221107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421681907 + ... + 3421711722.

It is an arithmetic number, because the mean of its divisors is an integer number (14882100014040).

Almost surely, 2^{102021312221132} is an apocalyptic number.

It is an amenable number.

102021312221132 is a deficient number, since it is larger than the sum of its proper divisors (76563887947348).

102021312221132 is a wasteful number, since it uses less digits than its factorization.

102021312221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843397360 (or 6843397358 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 102021312221132 its reverse (231122213120201), we get a palindrome (333143525341333).

The spelling of 102021312221132 in words is "one hundred two trillion, twenty-one billion, three hundred twelve million, two hundred twenty-one thousand, one hundred thirty-two".