10122221001 has 8 divisors (see below), whose sum is σ = 13615731360. Its totient is φ = 6688428992.

The previous prime is 10122220993. The next prime is 10122221009. The reversal of 10122221001 is 10012222101.

It is an interprime number because it is at equal distance from previous prime (10122220993) and next prime (10122221009).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10122221001 - 2³ = 10122220993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10122221009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14929191 + ... + 14929868.

It is an arithmetic number, because the mean of its divisors is an integer number (1701966420).

Almost surely, 2^10122221001 is an apocalyptic number.

It is an amenable number.

10122221001 is a deficient number, since it is larger than the sum of its proper divisors (3493510359).

10122221001 is a wasteful number, since it uses less digits than its factorization.

10122221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29859175.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10122221001 its reverse (10012222101), we get a palindrome (20134443102).

It can be divided in two parts, 1012222100 and 1, that added together give a palindrome (1012222101).

The spelling of 10122221001 in words is "ten billion, one hundred twenty-two million, two hundred twenty-one thousand, one".