2111010010101 has 12 divisors (see below), whose sum is σ = 3055602526080. Its totient is φ = 1404401924520.

The previous prime is 2111010010079. The next prime is 2111010010103. The reversal of 2111010010101 is 1010100101112.

It is not a de Polignac number, because 2111010010101 - 2⁶ = 2111010010037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111010010103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244835635 + ... + 244844256.

It is an arithmetic number, because the mean of its divisors is an integer number (254633543840).

Almost surely, 2^{2111010010101} is an apocalyptic number.

It is an amenable number.

2111010010101 is a deficient number, since it is larger than the sum of its proper divisors (944592515979).

2111010010101 is a wasteful number, since it uses less digits than its factorization.

2111010010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489680376 (or 489680373 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 2111010010101 its reverse (1010100101112), we get a palindrome (3121110111213).

The spelling of 2111010010101 in words is "two trillion, one hundred eleven billion, ten million, ten thousand, one hundred one".