2101001120212 has 6 divisors (see below), whose sum is σ = 3676751960378. Its totient is φ = 1050500560104.

The previous prime is 2101001120167. The next prime is 2101001120237. The reversal of 2101001120212 is 2120211001012.

It can be written as a sum of positive squares in only one way, i.e., 2053156557456 + 47844562756 = 1432884^2 + 218734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2101001120192 and 2101001120201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262625140023 + ... + 262625140030.

Almost surely, 2^{2101001120212} is an apocalyptic number.

It is an amenable number.

2101001120212 is a deficient number, since it is larger than the sum of its proper divisors (1575750840166).

2101001120212 is a wasteful number, since it uses less digits than its factorization.

2101001120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525250280057 (or 525250280055 counting only the distinct ones).

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

Adding to 2101001120212 its reverse (2120211001012), we get a palindrome (4221212121224).

The spelling of 2101001120212 in words is "two trillion, one hundred one billion, one million, one hundred twenty thousand, two hundred twelve".