1010111051001 has 16 divisors (see below), whose sum is σ = 1450490037696. Its totient is φ = 621575013696.

The previous prime is 1010111050997. The next prime is 1010111051041. The reversal of 1010111051001 is 1001501110101.

It is a happy number.

It is not a de Polignac number, because 1010111051001 - 2² = 1010111050997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010111051041) 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, 121966 + ... + 1426568.

It is an arithmetic number, because the mean of its divisors is an integer number (90655627356).

Almost surely, 2^{1010111051001} is an apocalyptic number.

It is an amenable number.

1010111051001 is a deficient number, since it is larger than the sum of its proper divisors (440378986695).

1010111051001 is a wasteful number, since it uses less digits than its factorization.

1010111051001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324472.

The product of its (nonzero) digits is 5, while the sum is 12.

Adding to 1010111051001 its reverse (1001501110101), we get a palindrome (2011612161102).

The spelling of 1010111051001 in words is "one trillion, ten billion, one hundred eleven million, fifty-one thousand, one".