102121111220222 has 8 divisors (see below), whose sum is σ = 153325770000816. Its totient is φ = 51012521219952.

The previous prime is 102121111220189. The next prime is 102121111220399. The reversal of 102121111220222 is 222022111121201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102121111220194 and 102121111220203.

It is a congruent number.

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, 24017192423 + ... + 24017196674.

It is an arithmetic number, because the mean of its divisors is an integer number (19165721250102).

Almost surely, 2^{102121111220222} is an apocalyptic number.

102121111220222 is a deficient number, since it is larger than the sum of its proper divisors (51204658780594).

102121111220222 is a wasteful number, since it uses less digits than its factorization.

102121111220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48034390162.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102121111220222 its reverse (222022111121201), we get a palindrome (324143222341423).

The spelling of 102121111220222 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred eleven million, two hundred twenty thousand, two hundred twenty-two".