2101515111232 has 28 divisors (see below), whose sum is σ = 4170545733060. Its totient is φ = 1050668942336.

The previous prime is 2101515111211. The next prime is 2101515111317. The reversal of 2101515111232 is 2321115151012.

It can be written as a sum of positive squares in 2 ways, for example, as 909627617536 + 1191887493696 = 953744^2 + 1091736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2101515111197 and 2101515111206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616453 + ... + 2140804.

It is an arithmetic number, because the mean of its divisors is an integer number (148948061895).

Almost surely, 2^{2101515111232} is an apocalyptic number.

It is an amenable number.

2101515111232 is a deficient number, since it is larger than the sum of its proper divisors (2069030621828).

2101515111232 is a wasteful number, since it uses less digits than its factorization.

2101515111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769178 (or 2769168 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 25.

The spelling of 2101515111232 in words is "two trillion, one hundred one billion, five hundred fifteen million, one hundred eleven thousand, two hundred thirty-two".