1220120100022 has 8 divisors (see below), whose sum is σ = 1834184921976. Its totient is φ = 608725126032.

The previous prime is 1220120099971. The next prime is 1220120100037. The reversal of 1220120100022 is 2200010210221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220120099975 and 1220120100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667460848 + ... + 667462675.

It is an arithmetic number, because the mean of its divisors is an integer number (229273115247).

Almost surely, 2^{1220120100022} is an apocalyptic number.

1220120100022 is a deficient number, since it is larger than the sum of its proper divisors (614064821954).

1220120100022 is a wasteful number, since it uses less digits than its factorization.

1220120100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334923982.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220120100022 its reverse (2200010210221), we get a palindrome (3420130310243).

The spelling of 1220120100022 in words is "one trillion, two hundred twenty billion, one hundred twenty million, one hundred thousand, twenty-two".