220201100010002 has 4 divisors (see below), whose sum is σ = 330301650015006. Its totient is φ = 110100550005000.

The previous prime is 220201100009959. The next prime is 220201100010029. The reversal of 220201100010002 is 200010001102022.

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., 165841312887721 + 54359787122281 = 12877939^2 + 7372909^2 .

It is a super-2 number, since 2×220201100010002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050275002499 + ... + 55050275002502.

Almost surely, 2^{220201100010002} is an apocalyptic number.

220201100010002 is a deficient number, since it is larger than the sum of its proper divisors (110100550005004).

220201100010002 is a wasteful number, since it uses less digits than its factorization.

220201100010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110100550005003.

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

Adding to 220201100010002 its reverse (200010001102022), we get a palindrome (420211101112024).

The spelling of 220201100010002 in words is "two hundred twenty trillion, two hundred one billion, one hundred million, ten thousand, two".