1210100210111 has 32 divisors (see below), whose sum is σ = 1355754902208. Its totient is φ = 1072859074560.

The previous prime is 1210100210089. The next prime is 1210100210149. The reversal of 1210100210111 is 1110120010121.

It is not a de Polignac number, because 1210100210111 - 2¹⁴ = 1210100193727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210100210092 and 1210100210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210100215111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21254795 + ... + 21311651.

It is an arithmetic number, because the mean of its divisors is an integer number (42367340694).

Almost surely, 2^{1210100210111} is an apocalyptic number.

1210100210111 is a deficient number, since it is larger than the sum of its proper divisors (145654692097).

1210100210111 is a wasteful number, since it uses less digits than its factorization.

1210100210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57531.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1210100210111 its reverse (1110120010121), we get a palindrome (2320220220232).

The spelling of 1210100210111 in words is "one trillion, two hundred ten billion, one hundred million, two hundred ten thousand, one hundred eleven".