20012222002101 has 64 divisors (see below), whose sum is σ = 32831303823360. Its totient is φ = 10594792834560.

The previous prime is 20012222002099. The next prime is 20012222002181. The reversal of 20012222002101 is 10120022221002.

It is not a de Polignac number, because 20012222002101 - 2¹ = 20012222002099 is a prime.

It is a super-2 number, since 2×20012222002101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012222002181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 882510 + ... + 6387743.

It is an arithmetic number, because the mean of its divisors is an integer number (512989122240).

Almost surely, 2^{20012222002101} is an apocalyptic number.

20012222002101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20012222002101 is a deficient number, since it is larger than the sum of its proper divisors (12819081821259).

20012222002101 is a wasteful number, since it uses less digits than its factorization.

20012222002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7270466.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20012222002101 its reverse (10120022221002), we get a palindrome (30132244223103).

The spelling of 20012222002101 in words is "twenty trillion, twelve billion, two hundred twenty-two million, two thousand, one hundred one".