2211012132121 has 16 divisors (see below), whose sum is σ = 2410594595136. Its totient is φ = 2015661283776.

The previous prime is 2211012132103. The next prime is 2211012132151. The reversal of 2211012132121 is 1212312101122.

It is a cyclic number.

It is not a de Polignac number, because 2211012132121 - 2¹⁷ = 2211012001049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211012132151) 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, 2851291 + ... + 3542863.

It is an arithmetic number, because the mean of its divisors is an integer number (150662162196).

Almost surely, 2^{2211012132121} is an apocalyptic number.

It is an amenable number.

2211012132121 is a deficient number, since it is larger than the sum of its proper divisors (199582463015).

2211012132121 is a wasteful number, since it uses less digits than its factorization.

2211012132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694632.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2211012132121 its reverse (1212312101122), we get a palindrome (3423324233243).

The spelling of 2211012132121 in words is "two trillion, two hundred eleven billion, twelve million, one hundred thirty-two thousand, one hundred twenty-one".