2121001202132 has 48 divisors (see below), whose sum is σ = 3934389376512. Its totient is φ = 997027100160.

The previous prime is 2121001202113. The next prime is 2121001202207. The reversal of 2121001202132 is 2312021001212.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 2121001202132.

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, 448128038 + ... + 448132770.

It is an arithmetic number, because the mean of its divisors is an integer number (81966445344).

Almost surely, 2^{2121001202132} is an apocalyptic number.

It is an amenable number.

2121001202132 is a deficient number, since it is larger than the sum of its proper divisors (1813388174380).

2121001202132 is a wasteful number, since it uses less digits than its factorization.

2121001202132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568 (or 10566 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121001202132 its reverse (2312021001212), we get a palindrome (4433022203344).

The spelling of 2121001202132 in words is "two trillion, one hundred twenty-one billion, one million, two hundred two thousand, one hundred thirty-two".