201001020221002 has 4 divisors (see below), whose sum is σ = 301501530331506. Its totient is φ = 100500510110500.

The previous prime is 201001020220951. The next prime is 201001020221059. The reversal of 201001020221002 is 200122020100102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 134949786670521 + 66051233550481 = 11616789^2 + 8127191^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250255055249 + ... + 50250255055252.

Almost surely, 2^{201001020221002} is an apocalyptic number.

201001020221002 is a deficient number, since it is larger than the sum of its proper divisors (100500510110504).

201001020221002 is a wasteful number, since it uses less digits than its factorization.

201001020221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500510110503.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201001020221002 its reverse (200122020100102), we get a palindrome (401123040321104).

The spelling of 201001020221002 in words is "two hundred one trillion, one billion, twenty million, two hundred twenty-one thousand, two".