1122021200121 has 8 divisors (see below), whose sum is σ = 1504675829760. Its totient is φ = 743690351952.

The previous prime is 1122021200101. The next prime is 1122021200123. The reversal of 1122021200121 is 1210021202211.

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

It is not a de Polignac number, because 1122021200121 - 2¹⁷ = 1122021069049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122021200121.

It is not an unprimeable number, because it can be changed into a prime (1122021200123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080944761 + ... + 1080945798.

It is an arithmetic number, because the mean of its divisors is an integer number (188084478720).

Almost surely, 2^{1122021200121} is an apocalyptic number.

It is an amenable number.

1122021200121 is a deficient number, since it is larger than the sum of its proper divisors (382654629639).

1122021200121 is a wasteful number, since it uses less digits than its factorization.

1122021200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161890735.

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

Adding to 1122021200121 its reverse (1210021202211), we get a palindrome (2332042402332).

The spelling of 1122021200121 in words is "one trillion, one hundred twenty-two billion, twenty-one million, two hundred thousand, one hundred twenty-one".