22001211102001 has 16 divisors (see below), whose sum is σ = 23606937950400. Its totient is φ = 20431927461888.

The previous prime is 22001211101983. The next prime is 22001211102139. The reversal of 22001211102001 is 10020111210022.

It is a cyclic number.

It is not a de Polignac number, because 22001211102001 - 2¹¹ = 22001211099953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001211102601) 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, 28175296 + ... + 28945633.

It is an arithmetic number, because the mean of its divisors is an integer number (1475433621900).

Almost surely, 2^{22001211102001} is an apocalyptic number.

It is an amenable number.

22001211102001 is a deficient number, since it is larger than the sum of its proper divisors (1605726848399).

22001211102001 is a wasteful number, since it uses less digits than its factorization.

22001211102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57121248.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22001211102001 its reverse (10020111210022), we get a palindrome (32021322312023).

The spelling of 22001211102001 in words is "twenty-two trillion, one billion, two hundred eleven million, one hundred two thousand, one".