102121120012222 has 8 divisors (see below), whose sum is σ = 155120688626400. Its totient is φ = 50414223803424.

The previous prime is 102121120012199. The next prime is 102121120012243. The reversal of 102121120012222 is 222210021121201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102121120012222.

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, 323168101147 + ... + 323168101462.

It is an arithmetic number, because the mean of its divisors is an integer number (19390086078300).

Almost surely, 2^{102121120012222} is an apocalyptic number.

102121120012222 is a deficient number, since it is larger than the sum of its proper divisors (52999568614178).

102121120012222 is an equidigital number, since it uses as much as digits as its factorization.

102121120012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646336202690.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102121120012222 its reverse (222210021121201), we get a palindrome (324331141133423).

The spelling of 102121120012222 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, twelve thousand, two hundred twenty-two".