2221023230122 has 4 divisors (see below), whose sum is σ = 3331534845186. Its totient is φ = 1110511615060.

The previous prime is 2221023230099. The next prime is 2221023230123. The reversal of 2221023230122 is 2210323201222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2189864272761 + 31158957361 = 1479819^2 + 176519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2221023230093 and 2221023230102.

It is not an unprimeable number, because it can be changed into a prime (2221023230123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555255807529 + ... + 555255807532.

Almost surely, 2^{2221023230122} is an apocalyptic number.

2221023230122 is a deficient number, since it is larger than the sum of its proper divisors (1110511615064).

2221023230122 is a wasteful number, since it uses less digits than its factorization.

2221023230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110511615063.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2221023230122 its reverse (2210323201222), we get a palindrome (4431346431344).

The spelling of 2221023230122 in words is "two trillion, two hundred twenty-one billion, twenty-three million, two hundred thirty thousand, one hundred twenty-two".