2121293148 has 48 divisors (see below), whose sum is σ = 5397934080. Its totient is φ = 644439744.

The previous prime is 2121293129. The next prime is 2121293191. The reversal of 2121293148 is 8413921212.

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, 73740 + ... + 98387.

It is an arithmetic number, because the mean of its divisors is an integer number (112456960).

Almost surely, 2^2121293148 is an apocalyptic number.

It is an amenable number.

2121293148 is an abundant number, since it is smaller than the sum of its proper divisors (3276640932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121293148 is a wasteful number, since it uses less digits than its factorization.

2121293148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172226 (or 172224 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 2121293148 is about 46057.4982820387. The cubic root of 2121293148 is about 1284.8928025561.

The spelling of 2121293148 in words is "two billion, one hundred twenty-one million, two hundred ninety-three thousand, one hundred forty-eight".