210021001101010 has 32 divisors (see below), whose sum is σ = 412411801402944. Its totient is φ = 76369990440000.

The previous prime is 210021001100983. The next prime is 210021001101019. The reversal of 210021001101010 is 10101100120012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (210021001101019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9442161 + ... + 22565380.

It is an arithmetic number, because the mean of its divisors is an integer number (12887868793842).

Almost surely, 2^{210021001101010} is an apocalyptic number.

210021001101010 is a deficient number, since it is larger than the sum of its proper divisors (202390800301934).

210021001101010 is a wasteful number, since it uses less digits than its factorization.

210021001101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32067210.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210021001101010 its reverse (10101100120012), we get a palindrome (220122101221022).

The spelling of 210021001101010 in words is "two hundred ten trillion, twenty-one billion, one million, one hundred one thousand, ten".