102121022223 has 12 divisors (see below), whose sum is σ = 160917974568. Its totient is φ = 61891528560.

The previous prime is 102121022219. The next prime is 102121022231. The reversal of 102121022223 is 322220121201.

It is not a de Polignac number, because 102121022223 - 2² = 102121022219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102121022196 and 102121022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121022243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515762640 + ... + 515762837.

It is an arithmetic number, because the mean of its divisors is an integer number (13409831214).

Almost surely, 2^102121022223 is an apocalyptic number.

102121022223 is a deficient number, since it is larger than the sum of its proper divisors (58796952345).

102121022223 is a wasteful number, since it uses less digits than its factorization.

102121022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031525494 (or 1031525491 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102121022223 its reverse (322220121201), we get a palindrome (424341143424).

The spelling of 102121022223 in words is "one hundred two billion, one hundred twenty-one million, twenty-two thousand, two hundred twenty-three".