22012020200101 has 4 divisors (see below), whose sum is σ = 23306844917772. Its totient is φ = 20717195482432.

The previous prime is 22012020200057. The next prime is 22012020200113. The reversal of 22012020200101 is 10100202021022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13850314003201 + 8161706196900 = 3721601^2 + 2856870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012020200101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012020270101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647412358810 + ... + 647412358843.

It is an arithmetic number, because the mean of its divisors is an integer number (5826711229443).

Almost surely, 2^{22012020200101} is an apocalyptic number.

It is an amenable number.

22012020200101 is a deficient number, since it is larger than the sum of its proper divisors (1294824717671).

22012020200101 is a wasteful number, since it uses less digits than its factorization.

22012020200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294824717670.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22012020200101 its reverse (10100202021022), we get a palindrome (32112222221123).

The spelling of 22012020200101 in words is "twenty-two trillion, twelve billion, twenty million, two hundred thousand, one hundred one".