2101112120210 has 8 divisors (see below), whose sum is σ = 3782001816396. Its totient is φ = 840444848080.

The previous prime is 2101112120201. The next prime is 2101112120243. The reversal of 2101112120210 is 120212111012.

It can be written as a sum of positive squares in 2 ways, for example, as 1950148011529 + 150964108681 = 1396477^2 + 388541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2101112120210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105055606001 + ... + 105055606020.

Almost surely, 2^{2101112120210} is an apocalyptic number.

2101112120210 is a deficient number, since it is larger than the sum of its proper divisors (1680889696186).

2101112120210 is a wasteful number, since it uses less digits than its factorization.

2101112120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210111212028.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101112120210 its reverse (120212111012), we get a palindrome (2221324231222).

The spelling of 2101112120210 in words is "two trillion, one hundred one billion, one hundred twelve million, one hundred twenty thousand, two hundred ten".