1222101121021 has 16 divisors (see below), whose sum is σ = 1344570004800. Its totient is φ = 1101542083200.

The previous prime is 1222101120973. The next prime is 1222101121069. The reversal of 1222101121021 is 1201211012221.

It is an interprime number because it is at equal distance from previous prime (1222101120973) and next prime (1222101121069).

It is a cyclic number.

It is not a de Polignac number, because 1222101121021 - 2¹³ = 1222101112829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222101120986 and 1222101121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101121081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1251295 + ... + 2002483.

It is an arithmetic number, because the mean of its divisors is an integer number (84035625300).

Almost surely, 2^{1222101121021} is an apocalyptic number.

1222101121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222101121021 is a deficient number, since it is larger than the sum of its proper divisors (122468883779).

1222101121021 is a wasteful number, since it uses less digits than its factorization.

1222101121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752460.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222101121021 its reverse (1201211012221), we get a palindrome (2423312133242).

The spelling of 1222101121021 in words is "one trillion, two hundred twenty-two billion, one hundred one million, one hundred twenty-one thousand, twenty-one".