20212222100011 has 16 divisors (see below), whose sum is σ = 20385669738240. Its totient is φ = 20039523023520.

The previous prime is 20212222099973. The next prime is 20212222100029. The reversal of 20212222100011 is 11000122221202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20212222100011 - 2¹⁵ = 20212222067243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212222100311) 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, 1054742916 + ... + 1054762078.

It is an arithmetic number, because the mean of its divisors is an integer number (1274104358640).

Almost surely, 2^{20212222100011} is an apocalyptic number.

20212222100011 is a deficient number, since it is larger than the sum of its proper divisors (173447638229).

20212222100011 is a wasteful number, since it uses less digits than its factorization.

20212222100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38226.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212222100011 its reverse (11000122221202), we get a palindrome (31212344321213).

The spelling of 20212222100011 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two million, one hundred thousand, eleven".