102120012121222 has 32 divisors (see below), whose sum is σ = 158934138854400. Its totient is φ = 49152550368768.

The previous prime is 102120012121201. The next prime is 102120012121289. The reversal of 102120012121222 is 222121210021201.

It is a self number, because there is not a number n which added to its sum of digits gives 102120012121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59779738 + ... + 61464274.

It is an arithmetic number, because the mean of its divisors is an integer number (4966691839200).

Almost surely, 2^{102120012121222} is an apocalyptic number.

102120012121222 is a deficient number, since it is larger than the sum of its proper divisors (56814126733178).

102120012121222 is a wasteful number, since it uses less digits than its factorization.

102120012121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687680.

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

Adding to 102120012121222 its reverse (222121210021201), we get a palindrome (324241222142423).

The spelling of 102120012121222 in words is "one hundred two trillion, one hundred twenty billion, twelve million, one hundred twenty-one thousand, two hundred twenty-two".