2221101201121 has 16 divisors (see below), whose sum is σ = 2428841289600. Its totient is φ = 2014332566400.

The previous prime is 2221101201113. The next prime is 2221101201167. The reversal of 2221101201121 is 1211021011222.

It is not a de Polignac number, because 2221101201121 - 2³ = 2221101201113 is a prime.

It is a super-2 number, since 2×2221101201121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221101201095 and 2221101201104.

It is not an unprimeable number, because it can be changed into a prime (2221101201181) 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, 46629165 + ... + 46676773.

It is an arithmetic number, because the mean of its divisors is an integer number (151802580600).

Almost surely, 2^{2221101201121} is an apocalyptic number.

It is an amenable number.

2221101201121 is a deficient number, since it is larger than the sum of its proper divisors (207740088479).

2221101201121 is a wasteful number, since it uses less digits than its factorization.

2221101201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57720.

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

Adding to 2221101201121 its reverse (1211021011222), we get a palindrome (3432122212343).

The spelling of 2221101201121 in words is "two trillion, two hundred twenty-one billion, one hundred one million, two hundred one thousand, one hundred twenty-one".