22121211003 has 8 divisors (see below), whose sum is σ = 29514320448. Its totient is φ = 14737787784.

The previous prime is 22121210999. The next prime is 22121211023. The reversal of 22121211003 is 30011212122.

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

It is not a de Polignac number, because 22121211003 - 2² = 22121210999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121211023) 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, 2416225 + ... + 2425362.

It is an arithmetic number, because the mean of its divisors is an integer number (3689290056).

Almost surely, 2^22121211003 is an apocalyptic number.

22121211003 is a deficient number, since it is larger than the sum of its proper divisors (7393109445).

22121211003 is a wasteful number, since it uses less digits than its factorization.

22121211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843113.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22121211003 its reverse (30011212122), we get a palindrome (52132423125).

The spelling of 22121211003 in words is "twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, three".