2311100232121 has 16 divisors (see below), whose sum is σ = 2449803460608. Its totient is φ = 2177071041600.

The previous prime is 2311100232083. The next prime is 2311100232131. The reversal of 2311100232121 is 1212320011132.

It is a cyclic number.

It is not a de Polignac number, because 2311100232121 - 2³⁹ = 1761344418233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311100232131) 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, 5329270 + ... + 5746591.

It is an arithmetic number, because the mean of its divisors is an integer number (153112716288).

Almost surely, 2^{2311100232121} is an apocalyptic number.

It is an amenable number.

2311100232121 is a deficient number, since it is larger than the sum of its proper divisors (138703228487).

2311100232121 is a wasteful number, since it uses less digits than its factorization.

2311100232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11076072.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2311100232121 its reverse (1212320011132), we get a palindrome (3523420243253).

The spelling of 2311100232121 in words is "two trillion, three hundred eleven billion, one hundred million, two hundred thirty-two thousand, one hundred twenty-one".