20221111010001 has 32 divisors (see below), whose sum is σ = 29734911561600. Its totient is φ = 12121145792000.

The previous prime is 20221111009997. The next prime is 20221111010017. The reversal of 20221111010001 is 10001011112202.

It is a cyclic number.

It is not a de Polignac number, because 20221111010001 - 2² = 20221111009997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221111010201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6726 + ... + 6359423.

It is an arithmetic number, because the mean of its divisors is an integer number (929215986300).

Almost surely, 2^{20221111010001} is an apocalyptic number.

It is an amenable number.

20221111010001 is a deficient number, since it is larger than the sum of its proper divisors (9513800551599).

20221111010001 is a wasteful number, since it uses less digits than its factorization.

20221111010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367217.

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

Adding to 20221111010001 its reverse (10001011112202), we get a palindrome (30222122122203).

The spelling of 20221111010001 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, ten thousand, one".