212022222022001 has 4 divisors (see below), whose sum is σ = 212629735552500. Its totient is φ = 211414708491504.

The previous prime is 212022222021977. The next prime is 212022222022027. The reversal of 212022222022001 is 100220222220212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 179381556355600 + 32640665666401 = 13393340^2 + 5713201^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022222022001 - 2²² = 212022217827697 is a prime.

It is a super-2 number, since 2×212022222022001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022222022081) 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, 303756764726 + ... + 303756765423.

It is an arithmetic number, because the mean of its divisors is an integer number (53157433888125).

Almost surely, 2^{212022222022001} is an apocalyptic number.

It is an amenable number.

212022222022001 is a deficient number, since it is larger than the sum of its proper divisors (607513530499).

212022222022001 is an equidigital number, since it uses as much as digits as its factorization.

212022222022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607513530498.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212022222022001 its reverse (100220222220212), we get a palindrome (312242444242213).

The spelling of 212022222022001 in words is "two hundred twelve trillion, twenty-two billion, two hundred twenty-two million, twenty-two thousand, one".