1020122221222 has 32 divisors (see below), whose sum is σ = 1732659727680. Its totient is φ = 447137953920.

The previous prime is 1020122221213. The next prime is 1020122221231. The reversal of 1020122221222 is 2221222210201.

It is an interprime number because it is at equal distance from previous prime (1020122221213) and next prime (1020122221231).

It is a self number, because there is not a number n which added to its sum of digits gives 1020122221222.

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, 11043738 + ... + 11135725.

It is an arithmetic number, because the mean of its divisors is an integer number (54145616490).

Almost surely, 2^{1020122221222} is an apocalyptic number.

1020122221222 is a deficient number, since it is larger than the sum of its proper divisors (712537506458).

1020122221222 is a wasteful number, since it uses less digits than its factorization.

1020122221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22179568.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1020122221222 its reverse (2221222210201), we get a palindrome (3241344431423).

The spelling of 1020122221222 in words is "one trillion, twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-two".