2101021133133 has 16 divisors (see below), whose sum is σ = 3029368924736. Its totient is φ = 1287571196160.

The previous prime is 2101021133117. The next prime is 2101021133161. The reversal of 2101021133133 is 3313311201012.

It is a happy number.

It is not a de Polignac number, because 2101021133133 - 2⁴ = 2101021133117 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 (2101021133033) 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, 111758935 + ... + 111777732.

It is an arithmetic number, because the mean of its divisors is an integer number (189335557796).

Almost surely, 2^{2101021133133} is an apocalyptic number.

It is an amenable number.

2101021133133 is a deficient number, since it is larger than the sum of its proper divisors (928347791603).

2101021133133 is a wasteful number, since it uses less digits than its factorization.

2101021133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223536924.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2101021133133 its reverse (3313311201012), we get a palindrome (5414332334145).

The spelling of 2101021133133 in words is "two trillion, one hundred one billion, twenty-one million, one hundred thirty-three thousand, one hundred thirty-three".