220001210201002 has 4 divisors (see below), whose sum is σ = 330001815301506. Its totient is φ = 110000605100500.

The previous prime is 220001210200987. The next prime is 220001210201039. The reversal of 220001210201002 is 200102012100022.

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., 191434868328001 + 28566341873001 = 13835999^2 + 5344749^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000302550249 + ... + 55000302550252.

Almost surely, 2^{220001210201002} is an apocalyptic number.

220001210201002 is a deficient number, since it is larger than the sum of its proper divisors (110000605100504).

220001210201002 is a wasteful number, since it uses less digits than its factorization.

220001210201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110000605100503.

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

Adding to 220001210201002 its reverse (200102012100022), we get a palindrome (420103222301024).

The spelling of 220001210201002 in words is "two hundred twenty trillion, one billion, two hundred ten million, two hundred one thousand, two".