2100540502 has 16 divisors (see below), whose sum is σ = 3365682192. Its totient is φ = 979740160.

The previous prime is 2100540493. The next prime is 2100540521. The reversal of 2100540502 is 2050450012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100540502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269524 + ... + 277207.

It is an arithmetic number, because the mean of its divisors is an integer number (210355137).

Almost surely, 2^2100540502 is an apocalyptic number.

2100540502 is a deficient number, since it is larger than the sum of its proper divisors (1265141690).

2100540502 is a wasteful number, since it uses less digits than its factorization.

2100540502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546863.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2100540502 is about 45831.6539304442. The cubic root of 2100540502 is about 1280.6890215312.

Adding to 2100540502 its reverse (2050450012), we get a palindrome (4150990514).

The spelling of 2100540502 in words is "two billion, one hundred million, five hundred forty thousand, five hundred two".