203240211120102 has 64 divisors (see below), whose sum is σ = 448260497879040. Its totient is φ = 61040819458944.

The previous prime is 203240211120043. The next prime is 203240211120209. The reversal of 203240211120102 is 201021112042302.

It is a happy number.

It is a super-2 number, since 2×203240211120102² (a number of 29 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 31 ways as a sum of consecutive naturals, for example, 72947902 + ... + 75682737.

It is an arithmetic number, because the mean of its divisors is an integer number (7004070279360).

Almost surely, 2^{203240211120102} is an apocalyptic number.

203240211120102 is an abundant number, since it is smaller than the sum of its proper divisors (245020286758938).

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

203240211120102 is a wasteful number, since it uses less digits than its factorization.

203240211120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148631077.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 203240211120102 its reverse (201021112042302), we get a palindrome (404261323162404).

The spelling of 203240211120102 in words is "two hundred three trillion, two hundred forty billion, two hundred eleven million, one hundred twenty thousand, one hundred two".