210221112011622 has 16 divisors (see below), whose sum is σ = 420823404656640. Its totient is φ = 70010173898312.

The previous prime is 210221112011621. The next prime is 210221112011627. The reversal of 210221112011622 is 226110211122012.

It is a junction number, because it is equal to n+sod(n) for n = 210221112011592 and 210221112011601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221112011621) 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, 15882519222 + ... + 15882532457.

It is an arithmetic number, because the mean of its divisors is an integer number (26301462791040).

Almost surely, 2^{210221112011622} is an apocalyptic number.

210221112011622 is an abundant number, since it is smaller than the sum of its proper divisors (210602292645018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210221112011622 is a wasteful number, since it uses less digits than its factorization.

210221112011622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31765052787.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 210221112011622 its reverse (226110211122012), we get a palindrome (436331323133634).

The spelling of 210221112011622 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twelve million, eleven thousand, six hundred twenty-two".