1220001202022 has 16 divisors (see below), whose sum is σ = 1849414366800. Its totient is φ = 603538202400.

The previous prime is 1220001202019. The next prime is 1220001202033. The reversal of 1220001202022 is 2202021000221.

It is a junction number, because it is equal to n+sod(n) for n = 1220001201988 and 1220001202006.

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, 1824572 + ... + 2401887.

It is an arithmetic number, because the mean of its divisors is an integer number (115588397925).

Almost surely, 2^{1220001202022} is an apocalyptic number.

1220001202022 is a deficient number, since it is larger than the sum of its proper divisors (629413164778).

1220001202022 is a wasteful number, since it uses less digits than its factorization.

1220001202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227991.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1220001202022 its reverse (2202021000221), we get a palindrome (3422022202243).

The spelling of 1220001202022 in words is "one trillion, two hundred twenty billion, one million, two hundred two thousand, twenty-two".