1022201111121 has 8 divisors (see below), whose sum is σ = 1406900454144. Its totient is φ = 659484587760.

The previous prime is 1022201111111. The next prime is 1022201111149. The reversal of 1022201111121 is 1211111022201.

It is a happy number.

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

It is not a de Polignac number, because 1022201111121 - 2⁵ = 1022201111089 is a prime.

It is a super-2 number, since 2×1022201111121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022201111121.

It is not an unprimeable number, because it can be changed into a prime (1022201111111) 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, 5495704806 + ... + 5495704991.

It is an arithmetic number, because the mean of its divisors is an integer number (175862556768).

Almost surely, 2^{1022201111121} is an apocalyptic number.

It is an amenable number.

1022201111121 is a deficient number, since it is larger than the sum of its proper divisors (384699343023).

1022201111121 is a wasteful number, since it uses less digits than its factorization.

1022201111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10991409831.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1022201111121 its reverse (1211111022201), we get a palindrome (2233312133322).

The spelling of 1022201111121 in words is "one trillion, twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred twenty-one".