222100021102001 has 4 divisors (see below), whose sum is σ = 253828595545152. Its totient is φ = 190371446658852.

The previous prime is 222100021101949. The next prime is 222100021102049. The reversal of 222100021102001 is 100201120001222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222100021102001 - 2¹⁴ = 222100021085617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222100021102061) 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, 15864287221565 + ... + 15864287221578.

It is an arithmetic number, because the mean of its divisors is an integer number (63457148886288).

Almost surely, 2^{222100021102001} is an apocalyptic number.

It is an amenable number.

222100021102001 is a deficient number, since it is larger than the sum of its proper divisors (31728574443151).

222100021102001 is an equidigital number, since it uses as much as digits as its factorization.

222100021102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31728574443150.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222100021102001 its reverse (100201120001222), we get a palindrome (322301141103223).

The spelling of 222100021102001 in words is "two hundred twenty-two trillion, one hundred billion, twenty-one million, one hundred two thousand, one".