210021121002022 has 16 divisors (see below), whose sum is σ = 343686281558544. Its totient is φ = 95459880276000.

The previous prime is 210021121001987. The next prime is 210021121002031. The reversal of 210021121002022 is 220200121120012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210021121001987 and 210021121002005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212778129 + ... + 213762892.

It is an arithmetic number, because the mean of its divisors is an integer number (21480392597409).

Almost surely, 2^{210021121002022} is an apocalyptic number.

210021121002022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210021121002022 is a deficient number, since it is larger than the sum of its proper divisors (133665160556522).

210021121002022 is a wasteful number, since it uses less digits than its factorization.

210021121002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426563415.

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

Adding to 210021121002022 its reverse (220200121120012), we get a palindrome (430221242122034).

The spelling of 210021121002022 in words is "two hundred ten trillion, twenty-one billion, one hundred twenty-one million, two thousand, twenty-two".