2110010212021 has 4 divisors (see below), whose sum is σ = 2110029395500. Its totient is φ = 2109991028544.

The previous prime is 2110010212001. The next prime is 2110010212049. The reversal of 2110010212021 is 1202120100112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 400323209521 + 1709687002500 = 632711^2 + 1307550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110010212021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110010211992 and 2110010212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110010212001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9425796 + ... + 9647053.

It is an arithmetic number, because the mean of its divisors is an integer number (527507348875).

Almost surely, 2^{2110010212021} is an apocalyptic number.

It is an amenable number.

2110010212021 is a deficient number, since it is larger than the sum of its proper divisors (19183479).

2110010212021 is a wasteful number, since it uses less digits than its factorization.

2110010212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19183478.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2110010212021 its reverse (1202120100112), we get a palindrome (3312130312133).

The spelling of 2110010212021 in words is "two trillion, one hundred ten billion, ten million, two hundred twelve thousand, twenty-one".