201010210021146 has 16 divisors (see below), whose sum is σ = 402025528407744. Its totient is φ = 67002551946144.

The previous prime is 201010210021109. The next prime is 201010210021147. The reversal of 201010210021146 is 641120012010102.

201010210021146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201010210021147) 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, 212336926 + ... + 213281481.

It is an arithmetic number, because the mean of its divisors is an integer number (25126595525484).

Almost surely, 2^{201010210021146} is an apocalyptic number.

201010210021146 is an abundant number, since it is smaller than the sum of its proper divisors (201015318386598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201010210021146 is a wasteful number, since it uses less digits than its factorization.

201010210021146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425697125.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 201010210021146 its reverse (641120012010102), we get a palindrome (842130222031248).

The spelling of 201010210021146 in words is "two hundred one trillion, ten billion, two hundred ten million, twenty-one thousand, one hundred forty-six".