1201121202022 has 16 divisors (see below), whose sum is σ = 2059992060192. Its totient is φ = 514534443840.

The previous prime is 1201121202019. The next prime is 1201121202041. The reversal of 1201121202022 is 2202021211021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201121201987 and 1201121202005.

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, 19283263 + ... + 19345450.

It is an arithmetic number, because the mean of its divisors is an integer number (128749503762).

Almost surely, 2^{1201121202022} is an apocalyptic number.

1201121202022 is a deficient number, since it is larger than the sum of its proper divisors (858870858170).

1201121202022 is a wasteful number, since it uses less digits than its factorization.

1201121202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38630943.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1201121202022 its reverse (2202021211021), we get a palindrome (3403142413043).

The spelling of 1201121202022 in words is "one trillion, two hundred one billion, one hundred twenty-one million, two hundred two thousand, twenty-two".