20012001102201 has 16 divisors (see below), whose sum is σ = 26695941943104. Its totient is φ = 13334698696704.

The previous prime is 20012001102193. The next prime is 20012001102229. The reversal of 20012001102201 is 10220110021002.

It is not a de Polignac number, because 20012001102201 - 2³ = 20012001102193 is a prime.

It is a super-2 number, since 2×20012001102201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20012001202201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53295625 + ... + 53669801.

It is an arithmetic number, because the mean of its divisors is an integer number (1668496371444).

Almost surely, 2^{20012001102201} is an apocalyptic number.

It is an amenable number.

20012001102201 is a deficient number, since it is larger than the sum of its proper divisors (6683940840903).

20012001102201 is a wasteful number, since it uses less digits than its factorization.

20012001102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383000.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20012001102201 its reverse (10220110021002), we get a palindrome (30232111123203).

The spelling of 20012001102201 in words is "twenty trillion, twelve billion, one million, one hundred two thousand, two hundred one".