210022221021001 has 8 divisors (see below), whose sum is σ = 224578216539144. Its totient is φ = 195710864083200.

The previous prime is 210022221020993. The next prime is 210022221021031. The reversal of 210022221021001 is 100120122220012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136114688912400 + 73907532108601 = 11666820^2 + 8596949^2 .

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

It is not a de Polignac number, because 210022221021001 - 2³ = 210022221020993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210022221021031) 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, 61159643310 + ... + 61159646743.

It is an arithmetic number, because the mean of its divisors is an integer number (28072277067393).

Almost surely, 2^{210022221021001} is an apocalyptic number.

It is an amenable number.

210022221021001 is a deficient number, since it is larger than the sum of its proper divisors (14555995518143).

210022221021001 is a wasteful number, since it uses less digits than its factorization.

210022221021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122319290171.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210022221021001 its reverse (100120122220012), we get a palindrome (310142343241013).

The spelling of 210022221021001 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-one million, twenty-one thousand, one".