1222101111121 has 8 divisors (see below), whose sum is σ = 1333583150688. Its totient is φ = 1110682728000.

The previous prime is 1222101111113. The next prime is 1222101111163. The reversal of 1222101111121 is 1211111012221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222101111121 - 2³ = 1222101111113 is a prime.

It is a super-2 number, since 2×1222101111121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222101111095 and 1222101111104.

It is not an unprimeable number, because it can be changed into a prime (1222101111181) 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, 15873960 + ... + 15950761.

It is an arithmetic number, because the mean of its divisors is an integer number (166697893836).

Almost surely, 2^{1222101111121} is an apocalyptic number.

1222101111121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222101111121 is a deficient number, since it is larger than the sum of its proper divisors (111482039567).

1222101111121 is a wasteful number, since it uses less digits than its factorization.

1222101111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31828223.

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

Adding to 1222101111121 its reverse (1211111012221), we get a palindrome (2433212123342).

The spelling of 1222101111121 in words is "one trillion, two hundred twenty-two billion, one hundred one million, one hundred eleven thousand, one hundred twenty-one".