22202211112121 has 4 divisors (see below), whose sum is σ = 22250164052352. Its totient is φ = 22154258171892.

The previous prime is 22202211112093. The next prime is 22202211112157. The reversal of 22202211112121 is 12121111220222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22202211112121 - 2¹⁸ = 22202210849977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22202211112093 and 22202211112102.

It is not an unprimeable number, because it can be changed into a prime (22202211112321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23976469421 + ... + 23976470346.

It is an arithmetic number, because the mean of its divisors is an integer number (5562541013088).

Almost surely, 2^{22202211112121} is an apocalyptic number.

It is an amenable number.

22202211112121 is a deficient number, since it is larger than the sum of its proper divisors (47952940231).

22202211112121 is an equidigital number, since it uses as much as digits as its factorization.

22202211112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47952940230.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22202211112121 its reverse (12121111220222), we get a palindrome (34323322332343).

The spelling of 22202211112121 in words is "twenty-two trillion, two hundred two billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-one".