1010100121111 has 16 divisors (see below), whose sum is σ = 1164629167200. Its totient is φ = 869589762048.

The previous prime is 1010100121067. The next prime is 1010100121123. The reversal of 1010100121111 is 1111210010101.

It is not a de Polignac number, because 1010100121111 - 2²¹ = 1010098023959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010100121181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53908650 + ... + 53927383.

It is an arithmetic number, because the mean of its divisors is an integer number (72789322950).

Almost surely, 2^{1010100121111} is an apocalyptic number.

1010100121111 is a deficient number, since it is larger than the sum of its proper divisors (154529046089).

1010100121111 is a wasteful number, since it uses less digits than its factorization.

1010100121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107836098.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1010100121111 its reverse (1111210010101), we get a palindrome (2121310131212).

The spelling of 1010100121111 in words is "one trillion, ten billion, one hundred million, one hundred twenty-one thousand, one hundred eleven".