20100011211201 has 16 divisors (see below), whose sum is σ = 27751630377600. Its totient is φ = 12925115659008.

The previous prime is 20100011211173. The next prime is 20100011211227. The reversal of 20100011211201 is 10211211000102.

It is not a de Polignac number, because 20100011211201 - 2⁷ = 20100011211073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20100011211281) 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, 114399141 + ... + 114574706.

It is an arithmetic number, because the mean of its divisors is an integer number (1734476898600).

Almost surely, 2^{20100011211201} is an apocalyptic number.

It is an amenable number.

20100011211201 is a deficient number, since it is larger than the sum of its proper divisors (7651619166399).

20100011211201 is a wasteful number, since it uses less digits than its factorization.

20100011211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228974888.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20100011211201 its reverse (10211211000102), we get a palindrome (30311222211303).

The spelling of 20100011211201 in words is "twenty trillion, one hundred billion, eleven million, two hundred eleven thousand, two hundred one".