20212222100001 has 16 divisors (see below), whose sum is σ = 27686682970944. Its totient is φ = 13106516537664.

The previous prime is 20212222099973. The next prime is 20212222100029. The reversal of 20212222100001 is 10000122221202.

It is an interprime number because it is at equal distance from previous prime (20212222099973) and next prime (20212222100029).

It is not a de Polignac number, because 20212222100001 - 2²⁹ = 20211685229089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20212222104001) 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, 28214190 + ... + 28921703.

It is an arithmetic number, because the mean of its divisors is an integer number (1730417685684).

Almost surely, 2^{20212222100001} is an apocalyptic number.

It is an amenable number.

20212222100001 is a deficient number, since it is larger than the sum of its proper divisors (7474460870943).

20212222100001 is a wasteful number, since it uses less digits than its factorization.

20212222100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57139120.

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

Adding to 20212222100001 its reverse (10000122221202), we get a palindrome (30212344321203).

The spelling of 20212222100001 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two million, one hundred thousand, one".