1222201241121 has 16 divisors (see below), whose sum is σ = 1863978899328. Its totient is φ = 697809331200.

The previous prime is 1222201241089. The next prime is 1222201241153. The reversal of 1222201241121 is 1211421022221.

It is an interprime number because it is at equal distance from previous prime (1222201241089) and next prime (1222201241153).

It is not a de Polignac number, because 1222201241121 - 2⁵ = 1222201241089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1222201241171) 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, 24615360 + ... + 24664961.

It is an arithmetic number, because the mean of its divisors is an integer number (116498681208).

Almost surely, 2^{1222201241121} is an apocalyptic number.

It is an amenable number.

1222201241121 is a deficient number, since it is larger than the sum of its proper divisors (641777658207).

1222201241121 is a wasteful number, since it uses less digits than its factorization.

1222201241121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49281512.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1222201241121 its reverse (1211421022221), we get a palindrome (2433622263342).

The spelling of 1222201241121 in words is "one trillion, two hundred twenty-two billion, two hundred one million, two hundred forty-one thousand, one hundred twenty-one".