10110211201021 has 4 divisors (see below), whose sum is σ = 10458839173500. Its totient is φ = 9761583228544.

The previous prime is 10110211201009. The next prime is 10110211201033. The reversal of 10110211201021 is 12010211201101.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (10110211201009) and next prime (10110211201033).

It can be written as a sum of positive squares in 2 ways, for example, as 5642952740100 + 4467258460921 = 2375490^2 + 2113589^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110211201021 - 2²⁹ = 10109674330109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110211200992 and 10110211201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110211201921) 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, 174313986196 + ... + 174313986253.

It is an arithmetic number, because the mean of its divisors is an integer number (2614709793375).

Almost surely, 2^{10110211201021} is an apocalyptic number.

It is an amenable number.

10110211201021 is a deficient number, since it is larger than the sum of its proper divisors (348627972479).

10110211201021 is an equidigital number, since it uses as much as digits as its factorization.

10110211201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348627972478.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10110211201021 its reverse (12010211201101), we get a palindrome (22120422402122).

The spelling of 10110211201021 in words is "ten trillion, one hundred ten billion, two hundred eleven million, two hundred one thousand, twenty-one".