221212022211003 has 32 divisors (see below), whose sum is σ = 301120198359552. Its totient is φ = 144410869267200.

The previous prime is 221212022211001. The next prime is 221212022211023. The reversal of 221212022211003 is 300112220212122.

It is not a de Polignac number, because 221212022211003 - 2¹ = 221212022211001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221212022211001) 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, 911412823 + ... + 911655503.

It is an arithmetic number, because the mean of its divisors is an integer number (9410006198736).

Almost surely, 2^{221212022211003} is an apocalyptic number.

221212022211003 is a deficient number, since it is larger than the sum of its proper divisors (79908176148549).

221212022211003 is a wasteful number, since it uses less digits than its factorization.

221212022211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264915.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 221212022211003 its reverse (300112220212122), we get a palindrome (521324242423125).

The spelling of 221212022211003 in words is "two hundred twenty-one trillion, two hundred twelve billion, twenty-two million, two hundred eleven thousand, three".