222121023133 has 4 divisors (see below), whose sum is σ = 222183472860. Its totient is φ = 222058573408.

The previous prime is 222121023121. The next prime is 222121023143. The reversal of 222121023133 is 331320121222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331320121222 = 2 ⋅165660060611.

It can be written as a sum of positive squares in 2 ways, for example, as 137168011044 + 84953012089 = 370362^2 + 291467^2 .

It is a cyclic number.

It is not a de Polignac number, because 222121023133 - 2³³ = 213531088541 is a prime.

It is a super-2 number, since 2×222121023133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121023143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31219528 + ... + 31226641.

It is an arithmetic number, because the mean of its divisors is an integer number (55545868215).

Almost surely, 2^222121023133 is an apocalyptic number.

It is an amenable number.

222121023133 is a deficient number, since it is larger than the sum of its proper divisors (62449727).

222121023133 is an equidigital number, since it uses as much as digits as its factorization.

222121023133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62449726.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222121023133 its reverse (331320121222), we get a palindrome (553441144355).

The spelling of 222121023133 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty-three thousand, one hundred thirty-three".