210221002122010 has 32 divisors (see below), whose sum is σ = 412800067969344. Its totient is φ = 76443544512000.

The previous prime is 210221002121993. The next prime is 210221002122023. The reversal of 210221002122010 is 10221200122012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13090705 + ... + 24327115.

It is an arithmetic number, because the mean of its divisors is an integer number (12900002124042).

Almost surely, 2^{210221002122010} is an apocalyptic number.

210221002122010 is a deficient number, since it is larger than the sum of its proper divisors (202579065847334).

210221002122010 is a wasteful number, since it uses less digits than its factorization.

210221002122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406510.

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

Adding to 210221002122010 its reverse (10221200122012), we get a palindrome (220442202244022).

It can be divided in two parts, 210221002 and 122010, that added together give a palindrome (210343012).

The spelling of 210221002122010 in words is "two hundred ten trillion, two hundred twenty-one billion, two million, one hundred twenty-two thousand, ten".