10110211211021 has 4 divisors (see below), whose sum is σ = 10123496640444. Its totient is φ = 10096925781600.

The previous prime is 10110211210951. The next prime is 10110211211039. The reversal of 10110211211021 is 12011211201101.

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 2215516148521 + 7894695062500 = 1488461^2 + 2809750^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110211211021 - 2³⁸ = 9835333304077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110211210987 and 10110211211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110211214021) 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, 6642713570 + ... + 6642715091.

It is an arithmetic number, because the mean of its divisors is an integer number (2530874160111).

Almost surely, 2^{10110211211021} is an apocalyptic number.

It is an amenable number.

10110211211021 is a deficient number, since it is larger than the sum of its proper divisors (13285429423).

10110211211021 is an equidigital number, since it uses as much as digits as its factorization.

10110211211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13285429422.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10110211211021 its reverse (12011211201101), we get a palindrome (22121422412122).

The spelling of 10110211211021 in words is "ten trillion, one hundred ten billion, two hundred eleven million, two hundred eleven thousand, twenty-one".