1002110212021 has 4 divisors (see below), whose sum is σ = 1002812463072. Its totient is φ = 1001407960972.

The previous prime is 1002110211989. The next prime is 1002110212087. The reversal of 1002110212021 is 1202120112001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002110212021 - 2⁵ = 1002110211989 is a prime.

It is a super-3 number, since 3×1002110212021³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002110211992 and 1002110212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002110212721) 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, 351123385 + ... + 351126238.

It is an arithmetic number, because the mean of its divisors is an integer number (250703115768).

Almost surely, 2^{1002110212021} is an apocalyptic number.

It is an amenable number.

1002110212021 is a deficient number, since it is larger than the sum of its proper divisors (702251051).

1002110212021 is an equidigital number, since it uses as much as digits as its factorization.

1002110212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702251050.

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

Adding to 1002110212021 its reverse (1202120112001), we get a palindrome (2204230324022).

The spelling of 1002110212021 in words is "one trillion, two billion, one hundred ten million, two hundred twelve thousand, twenty-one".