1220101202022 has 32 divisors (see below), whose sum is σ = 2568735859200. Its totient is φ = 385279854048.

The previous prime is 1220101202011. The next prime is 1220101202029. The reversal of 1220101202022 is 2202021010221.

It is a junction number, because it is equal to n+sod(n) for n = 1220101201992 and 1220101202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220101202029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2874828 + ... + 3271824.

It is an arithmetic number, because the mean of its divisors is an integer number (80272995600).

Almost surely, 2^{1220101202022} is an apocalyptic number.

1220101202022 is an abundant number, since it is smaller than the sum of its proper divisors (1348634657178).

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

1220101202022 is a wasteful number, since it uses less digits than its factorization.

1220101202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423980.

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

Adding to 1220101202022 its reverse (2202021010221), we get a palindrome (3422122212243).

The spelling of 1220101202022 in words is "one trillion, two hundred twenty billion, one hundred one million, two hundred two thousand, twenty-two".