101221222203 has 12 divisors (see below), whose sum is σ = 146263083408. Its totient is φ = 67455591120.

The previous prime is 101221222199. The next prime is 101221222211. The reversal of 101221222203 is 302222122101.

It is not a de Polignac number, because 101221222203 - 2² = 101221222199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101221222243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2076543 + ... + 2124728.

It is an arithmetic number, because the mean of its divisors is an integer number (12188590284).

Almost surely, 2^101221222203 is an apocalyptic number.

101221222203 is a deficient number, since it is larger than the sum of its proper divisors (45041861205).

101221222203 is a wasteful number, since it uses less digits than its factorization.

101221222203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203954 (or 4203951 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101221222203 its reverse (302222122101), we get a palindrome (403443344304).

The spelling of 101221222203 in words is "one hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred three".