210022220120021 has 8 divisors (see below), whose sum is σ = 212000319904320. Its totient is φ = 208044403211808.

The previous prime is 210022220119969. The next prime is 210022220120033. The reversal of 210022220120021 is 120021022220012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210022220120021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022220120051) 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, 69226976 + ... + 72197081.

It is an arithmetic number, because the mean of its divisors is an integer number (26500039988040).

Almost surely, 2^{210022220120021} is an apocalyptic number.

It is an amenable number.

210022220120021 is a deficient number, since it is larger than the sum of its proper divisors (1978099784299).

210022220120021 is a wasteful number, since it uses less digits than its factorization.

210022220120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141438043.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210022220120021 its reverse (120021022220012), we get a palindrome (330043242340033).

The spelling of 210022220120021 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty million, one hundred twenty thousand, twenty-one".