20112002212001 has 16 divisors (see below), whose sum is σ = 23014887181440. Its totient is φ = 17216555287680.

The previous prime is 20112002211991. The next prime is 20112002212013. The reversal of 20112002212001 is 10021220021102.

It is a de Polignac number, because none of the positive numbers 2^k-20112002212001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112002512001) 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, 101684135 + ... + 101881731.

It is an arithmetic number, because the mean of its divisors is an integer number (1438430448840).

Almost surely, 2^{20112002212001} is an apocalyptic number.

It is an amenable number.

20112002212001 is a deficient number, since it is larger than the sum of its proper divisors (2902884969439).

20112002212001 is a wasteful number, since it uses less digits than its factorization.

20112002212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216344.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20112002212001 its reverse (10021220021102), we get a palindrome (30133222233103).

The spelling of 20112002212001 in words is "twenty trillion, one hundred twelve billion, two million, two hundred twelve thousand, one".