2120441666502 has 64 divisors (see below), whose sum is σ = 4317651072000. Its totient is φ = 694136908800.

The previous prime is 2120441666501. The next prime is 2120441666503. The reversal of 2120441666502 is 2056661440212.

It is an interprime number because it is at equal distance from previous prime (2120441666501) and next prime (2120441666503).

It is a super-3 number, since 3×2120441666502³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120441666501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190185624 + ... + 190196772.

It is an arithmetic number, because the mean of its divisors is an integer number (67463298000).

Almost surely, 2^{2120441666502} is an apocalyptic number.

2120441666502 is an abundant number, since it is smaller than the sum of its proper divisors (2197209405498).

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

2120441666502 is a wasteful number, since it uses less digits than its factorization.

2120441666502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13741.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 2120441666502 in words is "two trillion, one hundred twenty billion, four hundred forty-one million, six hundred sixty-six thousand, five hundred two".