210001021020010 has 32 divisors (see below), whose sum is σ = 412405183814400. Its totient is φ = 76356684951360.

The previous prime is 210001021019929. The next prime is 210001021020061. The reversal of 210001021020010 is 10020120100012.

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

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, 90381250 + ... + 92675629.

It is an arithmetic number, because the mean of its divisors is an integer number (12887661994200).

Almost surely, 2^{210001021020010} is an apocalyptic number.

210001021020010 is a deficient number, since it is larger than the sum of its proper divisors (202404162794390).

210001021020010 is a wasteful number, since it uses less digits than its factorization.

210001021020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183067326.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210001021020010 its reverse (10020120100012), we get a palindrome (220021141120022).

The spelling of 210001021020010 in words is "two hundred ten trillion, one billion, twenty-one million, twenty thousand, ten".