2210100210021 has 8 divisors (see below), whose sum is σ = 3214691214624. Its totient is φ = 1339454672720.

The previous prime is 2210100210007. The next prime is 2210100210023. The reversal of 2210100210021 is 1200120010122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2210100210021 - 2¹⁹ = 2210099685733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210100209979 and 2210100210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210100210023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33486366786 + ... + 33486366851.

It is an arithmetic number, because the mean of its divisors is an integer number (401836401828).

Almost surely, 2^{2210100210021} is an apocalyptic number.

It is an amenable number.

2210100210021 is a deficient number, since it is larger than the sum of its proper divisors (1004591004603).

2210100210021 is a wasteful number, since it uses less digits than its factorization.

2210100210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66972733651.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2210100210021 its reverse (1200120010122), we get a palindrome (3410220220143).

The spelling of 2210100210021 in words is "two trillion, two hundred ten billion, one hundred million, two hundred ten thousand, twenty-one".