2101120001012 has 48 divisors (see below), whose sum is σ = 3876162595200. Its totient is φ = 995030574720.

The previous prime is 2101120000997. The next prime is 2101120001023. The reversal of 2101120001012 is 2101000211012.

It is a junction number, because it is equal to n+sod(n) for n = 2101120000984 and 2101120001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42218039 + ... + 42267777.

It is an arithmetic number, because the mean of its divisors is an integer number (80753387400).

Almost surely, 2^{2101120001012} is an apocalyptic number.

It is an amenable number.

2101120001012 is a deficient number, since it is larger than the sum of its proper divisors (1775042594188).

2101120001012 is a wasteful number, since it uses less digits than its factorization.

2101120001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56696 (or 56694 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2101120001012 its reverse (2101000211012), we get a palindrome (4202120212024).

The spelling of 2101120001012 in words is "two trillion, one hundred one billion, one hundred twenty million, one thousand, twelve".