2121221011132 has 48 divisors (see below), whose sum is σ = 4007573962560. Its totient is φ = 979399511552.

The previous prime is 2121221011121. The next prime is 2121221011181. The reversal of 2121221011132 is 2311101221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25296138 + ... + 25379854.

It is an arithmetic number, because the mean of its divisors is an integer number (83491124220).

Almost surely, 2^{2121221011132} is an apocalyptic number.

It is an amenable number.

2121221011132 is a deficient number, since it is larger than the sum of its proper divisors (1886352951428).

2121221011132 is a wasteful number, since it uses less digits than its factorization.

2121221011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93270 (or 93268 counting only the distinct ones).

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

Adding to 2121221011132 its reverse (2311101221212), we get a palindrome (4432322232344).

The spelling of 2121221011132 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-one million, eleven thousand, one hundred thirty-two".