222120121021203 has 16 divisors (see below), whose sum is σ = 296412068998656. Its totient is φ = 147954145745280.

The previous prime is 222120121021193. The next prime is 222120121021313. The reversal of 222120121021203 is 302120121021222.

It is not a de Polignac number, because 222120121021203 - 2⁴ = 222120121021187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222120121021203.

It is not an unprimeable number, because it can be changed into a prime (222120121031203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44831851 + ... + 49539227.

It is an arithmetic number, because the mean of its divisors is an integer number (18525754312416).

Almost surely, 2^{222120121021203} is an apocalyptic number.

222120121021203 is a deficient number, since it is larger than the sum of its proper divisors (74291947977453).

222120121021203 is a wasteful number, since it uses less digits than its factorization.

222120121021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720754.

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

Adding to 222120121021203 its reverse (302120121021222), we get a palindrome (524240242042425).

The spelling of 222120121021203 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred three".