1020120212222 has 16 divisors (see below), whose sum is σ = 1563059553120. Its totient is φ = 499149841632.

The previous prime is 1020120212197. The next prime is 1020120212327. The reversal of 1020120212222 is 2222120210201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020120212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12328658 + ... + 12411125.

It is an arithmetic number, because the mean of its divisors is an integer number (97691222070).

Almost surely, 2^{1020120212222} is an apocalyptic number.

1020120212222 is a deficient number, since it is larger than the sum of its proper divisors (542939340898).

1020120212222 is a wasteful number, since it uses less digits than its factorization.

1020120212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24740227.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1020120212222 its reverse (2222120210201), we get a palindrome (3242240422423).

The spelling of 1020120212222 in words is "one trillion, twenty billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-two".