2132121122121 has 8 divisors (see below), whose sum is σ = 2848413288960. Its totient is φ = 1418621518352.

The previous prime is 2132121122113. The next prime is 2132121122123. The reversal of 2132121122121 is 1212211212312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2132121122121 - 2³ = 2132121122113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2132121122123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698138985 + ... + 698142038.

It is an arithmetic number, because the mean of its divisors is an integer number (356051661120).

Almost surely, 2^{2132121122121} is an apocalyptic number.

It is an amenable number.

2132121122121 is a deficient number, since it is larger than the sum of its proper divisors (716292166839).

2132121122121 is a wasteful number, since it uses less digits than its factorization.

2132121122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396281535.

The product of its digits is 192, while the sum is 21.

Adding to 2132121122121 its reverse (1212211212312), we get a palindrome (3344332334433).

The spelling of 2132121122121 in words is "two trillion, one hundred thirty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-one".