1220122221022 has 8 divisors (see below), whose sum is σ = 1830624033456. Its totient is φ = 609914209872.

The previous prime is 1220122220963. The next prime is 1220122221023. The reversal of 1220122221022 is 2201222210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220122221023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73439938 + ... + 73456549.

It is an arithmetic number, because the mean of its divisors is an integer number (228828004182).

Almost surely, 2^{1220122221022} is an apocalyptic number.

1220122221022 is a deficient number, since it is larger than the sum of its proper divisors (610501812434).

1220122221022 is a wasteful number, since it uses less digits than its factorization.

1220122221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146900642.

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

Adding to 1220122221022 its reverse (2201222210221), we get a palindrome (3421344431243).

The spelling of 1220122221022 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, twenty-two".