22211211020121 has 24 divisors (see below), whose sum is σ = 34287564920544. Its totient is φ = 13806198960000.

The previous prime is 22211211020113. The next prime is 22211211020179. The reversal of 22211211020121 is 12102011211222.

22211211020121 is a `hidden beast` number, since 22 + 211 + 211 + 0 + 201 + 21 = 666.

It is not a de Polignac number, because 22211211020121 - 2³ = 22211211020113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22211211020094 and 22211211020103.

It is not an unprimeable number, because it can be changed into a prime (22211211020111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678354255 + ... + 678386996.

It is an arithmetic number, because the mean of its divisors is an integer number (1428648538356).

Almost surely, 2^{22211211020121} is an apocalyptic number.

It is an amenable number.

22211211020121 is a deficient number, since it is larger than the sum of its proper divisors (12076353900423).

22211211020121 is a wasteful number, since it uses less digits than its factorization.

22211211020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356741381 (or 1356741378 counting only the distinct ones).

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

Adding to 22211211020121 its reverse (12102011211222), we get a palindrome (34313222231343).

The spelling of 22211211020121 in words is "twenty-two trillion, two hundred eleven billion, two hundred eleven million, twenty thousand, one hundred twenty-one".