2100101120212 has 12 divisors (see below), whose sum is σ = 3690426658996. Its totient is φ = 1045693503360.

The previous prime is 2100101120167. The next prime is 2100101120251. The reversal of 2100101120212 is 2120211010012.

It can be written as a sum of positive squares in 2 ways, for example, as 1771364017476 + 328737102736 = 1330926^2 + 573356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2100101120192 and 2100101120201.

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, 1089263103 + ... + 1089265030.

Almost surely, 2^{2100101120212} is an apocalyptic number.

It is an amenable number.

2100101120212 is a deficient number, since it is larger than the sum of its proper divisors (1590325538784).

2100101120212 is a wasteful number, since it uses less digits than its factorization.

2100101120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178528378 (or 2178528376 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100101120212 its reverse (2120211010012), we get a palindrome (4220312130224).

The spelling of 2100101120212 in words is "two trillion, one hundred billion, one hundred one million, one hundred twenty thousand, two hundred twelve".