22111690001 has 16 divisors (see below), whose sum is σ = 23081524560. Its totient is φ = 21156495360.

The previous prime is 22111689959. The next prime is 22111690031. The reversal of 22111690001 is 10009611122.

It is a happy number.

It is a Cunningham number, because it is equal to 148700²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 141039376 + 21970650625 = 11876^2 + 148225^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111690001 - 2¹⁸ = 22111427857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22111690031) 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, 1563281 + ... + 1577361.

It is an arithmetic number, because the mean of its divisors is an integer number (1442595285).

Almost surely, 2^22111690001 is an apocalyptic number.

It is an amenable number.

22111690001 is a deficient number, since it is larger than the sum of its proper divisors (969834559).

22111690001 is a wasteful number, since it uses less digits than its factorization.

22111690001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14596.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 22111690001 in words is "twenty-two billion, one hundred eleven million, six hundred ninety thousand, one".