22101020001111 has 4 divisors (see below), whose sum is σ = 29468026668152. Its totient is φ = 14734013334072.

The previous prime is 22101020001107. The next prime is 22101020001121. The reversal of 22101020001111 is 11110002010122.

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

It is not a de Polignac number, because 22101020001111 - 2² = 22101020001107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101020001121) 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, 3683503333516 + ... + 3683503333521.

It is an arithmetic number, because the mean of its divisors is an integer number (7367006667038).

Almost surely, 2^{22101020001111} is an apocalyptic number.

22101020001111 is a deficient number, since it is larger than the sum of its proper divisors (7367006667041).

22101020001111 is an equidigital number, since it uses as much as digits as its factorization.

22101020001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367006667040.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22101020001111 its reverse (11110002010122), we get a palindrome (33211022011233).

The spelling of 22101020001111 in words is "twenty-two trillion, one hundred one billion, twenty million, one thousand, one hundred eleven".