1210101101992 has 16 divisors (see below), whose sum is σ = 2311749747540. Its totient is φ = 593634502656.

The previous prime is 1210101101987. The next prime is 1210101102029. The reversal of 1210101101992 is 2991011010121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1135175178916 + 74925923076 = 1065446^2 + 273726^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1210101101992.

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 in 3 ways as a sum of consecutive naturals, for example, 1427005593 + ... + 1427006440.

Almost surely, 2^{1210101101992} is an apocalyptic number.

It is an amenable number.

1210101101992 is a deficient number, since it is larger than the sum of its proper divisors (1101648645548).

1210101101992 is a wasteful number, since it uses less digits than its factorization.

1210101101992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854012092 (or 2854012088 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 1210101101992 in words is "one trillion, two hundred ten billion, one hundred one million, one hundred one thousand, nine hundred ninety-two".