22212021122002 has 8 divisors (see below), whose sum is σ = 33318522919116. Its totient is φ = 11105846815632.

The previous prime is 22212021121967. The next prime is 22212021122047. The reversal of 22212021122002 is 20022112021222.

It can be written as a sum of positive squares in 2 ways, for example, as 21646398299761 + 565622822241 = 4652569^2 + 752079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81703053 + ... + 81974464.

Almost surely, 2^{22212021122002} is an apocalyptic number.

22212021122002 is a deficient number, since it is larger than the sum of its proper divisors (11106501797114).

22212021122002 is a wasteful number, since it uses less digits than its factorization.

22212021122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163745372.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22212021122002 its reverse (20022112021222), we get a palindrome (42234133143224).

The spelling of 22212021122002 in words is "twenty-two trillion, two hundred twelve billion, twenty-one million, one hundred twenty-two thousand, two".