1012121201022 has 32 divisors (see below), whose sum is σ = 2032541551872. Its totient is φ = 335992804224.

The previous prime is 1012121201017. The next prime is 1012121201087. The reversal of 1012121201022 is 2201021212101.

It is a junction number, because it is equal to n+sod(n) for n = 1012121200992 and 1012121201010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1511353 + ... + 2075675.

It is an arithmetic number, because the mean of its divisors is an integer number (63516923496).

Almost surely, 2^{1012121201022} is an apocalyptic number.

1012121201022 is an abundant number, since it is smaller than the sum of its proper divisors (1020420350850).

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

1012121201022 is a wasteful number, since it uses less digits than its factorization.

1012121201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565552.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012121201022 its reverse (2201021212101), we get a palindrome (3213142413123).

The spelling of 1012121201022 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred one thousand, twenty-two".