1210012122111 has 8 divisors (see below), whose sum is σ = 1737453303600. Its totient is φ = 744622844352.

The previous prime is 1210012122043. The next prime is 1210012122119. The reversal of 1210012122111 is 1112212100121.

It is a happy number.

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

It is not a de Polignac number, because 1210012122111 - 2¹⁴ = 1210012105727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210012122119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15512975886 + ... + 15512975963.

It is an arithmetic number, because the mean of its divisors is an integer number (217181662950).

Almost surely, 2^{1210012122111} is an apocalyptic number.

1210012122111 is a deficient number, since it is larger than the sum of its proper divisors (527441181489).

1210012122111 is a wasteful number, since it uses less digits than its factorization.

1210012122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31025951865.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1210012122111 its reverse (1112212100121), we get a palindrome (2322224222232).

The spelling of 1210012122111 in words is "one trillion, two hundred ten billion, twelve million, one hundred twenty-two thousand, one hundred eleven".