22211012201121 has 16 divisors (see below), whose sum is σ = 32983735982400. Its totient is φ = 14772001742784.

The previous prime is 22211012201083. The next prime is 22211012201197. The reversal of 22211012201121 is 12110221011222.

22211012201121 is a `hidden beast` number, since 2 + 221 + 101 + 220 + 1 + 121 = 666.

It is not a de Polignac number, because 22211012201121 - 2¹¹ = 22211012199073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22211012201094 and 22211012201103.

It is not an unprimeable number, because it can be changed into a prime (22211012201621) 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, 981647496 + ... + 981670121.

It is an arithmetic number, because the mean of its divisors is an integer number (2061483498900).

Almost surely, 2^{22211012201121} is an apocalyptic number.

It is an amenable number.

22211012201121 is a deficient number, since it is larger than the sum of its proper divisors (10772723781279).

22211012201121 is a wasteful number, since it uses less digits than its factorization.

22211012201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963318045 (or 1963318039 counting only the distinct ones).

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

Adding to 22211012201121 its reverse (12110221011222), we get a palindrome (34321233212343).

The spelling of 22211012201121 in words is "twenty-two trillion, two hundred eleven billion, twelve million, two hundred one thousand, one hundred twenty-one".