201021210022010 has 16 divisors (see below), whose sum is σ = 413529346331136. Its totient is φ = 68921557721808.

The previous prime is 201021210021979. The next prime is 201021210022063. The reversal of 201021210022010 is 10220012120102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon 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, 1435865785802 + ... + 1435865785941.

It is an arithmetic number, because the mean of its divisors is an integer number (25845584145696).

Almost surely, 2^{201021210022010} is an apocalyptic number.

201021210022010 is an abundant number, since it is smaller than the sum of its proper divisors (212508136309126).

201021210022010 is a wasteful number, since it uses less digits than its factorization.

201021210022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871731571757.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201021210022010 its reverse (10220012120102), we get a palindrome (211241222142112).

The spelling of 201021210022010 in words is "two hundred one trillion, twenty-one billion, two hundred ten million, twenty-two thousand, ten".