1220102210022 has 32 divisors (see below), whose sum is σ = 2506404671232. Its totient is φ = 395669543904.

The previous prime is 1220102210011. The next prime is 1220102210053. The reversal of 1220102210022 is 2200122010221.

It is a junction number, because it is equal to n+sod(n) for n = 1220102209983 and 1220102210010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2011623 + ... + 2546925.

It is an arithmetic number, because the mean of its divisors is an integer number (78325145976).

Almost surely, 2^{1220102210022} is an apocalyptic number.

1220102210022 is an abundant number, since it is smaller than the sum of its proper divisors (1286302461210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220102210022 is a wasteful number, since it uses less digits than its factorization.

1220102210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545612.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220102210022 its reverse (2200122010221), we get a palindrome (3420224220243).

The spelling of 1220102210022 in words is "one trillion, two hundred twenty billion, one hundred two million, two hundred ten thousand, twenty-two".