102121221122122 has 8 divisors (see below), whose sum is σ = 153182373797376. Its totient is φ = 51060429856332.

The previous prime is 102121221122101. The next prime is 102121221122227. The reversal of 102121221122122 is 221221122121201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×102121221122122³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102121221122093 and 102121221122102.

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, 89644848 + ... + 90776875.

It is an arithmetic number, because the mean of its divisors is an integer number (19147796724672).

Almost surely, 2^{102121221122122} is an apocalyptic number.

102121221122122 is a deficient number, since it is larger than the sum of its proper divisors (51061152675254).

102121221122122 is a wasteful number, since it uses less digits than its factorization.

102121221122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180704732.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 102121221122122 its reverse (221221122121201), we get a palindrome (323342343243323).

The spelling of 102121221122122 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".