2121720060502 has 12 divisors (see below), whose sum is σ = 3702185003700. Its totient is φ = 909308597316.

The previous prime is 2121720060497. The next prime is 2121720060521. The reversal of 2121720060502 is 2050600271212.

It is a super-2 number, since 2×2121720060502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10825102252 + ... + 10825102447.

It is an arithmetic number, because the mean of its divisors is an integer number (308515416975).

Almost surely, 2^{2121720060502} is an apocalyptic number.

2121720060502 is a deficient number, since it is larger than the sum of its proper divisors (1580464943198).

2121720060502 is a wasteful number, since it uses less digits than its factorization.

2121720060502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21650204715 (or 21650204708 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 2121720060502 in words is "two trillion, one hundred twenty-one billion, seven hundred twenty million, sixty thousand, five hundred two".