22001000202111 has 16 divisors (see below), whose sum is σ = 33525399168000. Its totient is φ = 12571975543008.

The previous prime is 22001000202091. The next prime is 22001000202131. The reversal of 22001000202111 is 11120200010022.

It is an interprime number because it is at equal distance from previous prime (22001000202091) and next prime (22001000202131).

It is not a de Polignac number, because 22001000202111 - 2⁵ = 22001000202079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001000202131) 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 15 ways as a sum of consecutive naturals, for example, 20457850 + ... + 21506408.

It is an arithmetic number, because the mean of its divisors is an integer number (2095337448000).

Almost surely, 2^{22001000202111} is an apocalyptic number.

22001000202111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22001000202111 is a deficient number, since it is larger than the sum of its proper divisors (11524398965889).

22001000202111 is a wasteful number, since it uses less digits than its factorization.

22001000202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047718.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22001000202111 its reverse (11120200010022), we get a palindrome (33121200212133).

The spelling of 22001000202111 in words is "twenty-two trillion, one billion, two hundred two thousand, one hundred eleven".