22220101112121 has 12 divisors (see below), whose sum is σ = 35013492661680. Its totient is φ = 13466727946680.

The previous prime is 22220101112089. The next prime is 22220101112197. The reversal of 22220101112121 is 12121110102222.

It is not a de Polignac number, because 22220101112121 - 2⁵ = 22220101112089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220101112094 and 22220101112103.

It is not an unprimeable number, because it can be changed into a prime (22220101112221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112222732791 + ... + 112222732988.

It is an arithmetic number, because the mean of its divisors is an integer number (2917791055140).

Almost surely, 2^{22220101112121} is an apocalyptic number.

It is an amenable number.

22220101112121 is a deficient number, since it is larger than the sum of its proper divisors (12793391549559).

22220101112121 is a wasteful number, since it uses less digits than its factorization.

22220101112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224445465796 (or 224445465793 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22220101112121 its reverse (12121110102222), we get a palindrome (34341211214343).

The spelling of 22220101112121 in words is "twenty-two trillion, two hundred twenty billion, one hundred one million, one hundred twelve thousand, one hundred twenty-one".