201101020020002 has 4 divisors (see below), whose sum is σ = 301651530030006. Its totient is φ = 100550510010000.

The previous prime is 201101020019971. The next prime is 201101020020013. The reversal of 201101020020002 is 200020020101102.

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., 116594018132641 + 84507001887361 = 10797871^2 + 9192769^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50275255004999 + ... + 50275255005002.

Almost surely, 2^{201101020020002} is an apocalyptic number.

201101020020002 is a deficient number, since it is larger than the sum of its proper divisors (100550510010004).

201101020020002 is a wasteful number, since it uses less digits than its factorization.

201101020020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100550510010003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201101020020002 its reverse (200020020101102), we get a palindrome (401121040121104).

The spelling of 201101020020002 in words is "two hundred one trillion, one hundred one billion, twenty million, twenty thousand, two".