2000021222122 has 64 divisors (see below), whose sum is σ = 3819558758400. Its totient is φ = 762783727680.

The previous prime is 2000021222113. The next prime is 2000021222137. The reversal of 2000021222122 is 2212221200002.

It is a junction number, because it is equal to n+sod(n) for n = 2000021222096 and 2000021222105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3304029 + ... + 3862207.

It is an arithmetic number, because the mean of its divisors is an integer number (59680605600).

Almost surely, 2^{2000021222122} is an apocalyptic number.

2000021222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2000021222122 is a deficient number, since it is larger than the sum of its proper divisors (1819537536278).

2000021222122 is a wasteful number, since it uses less digits than its factorization.

2000021222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558691.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2000021222122 its reverse (2212221200002), we get a palindrome (4212242422124).

The spelling of 2000021222122 in words is "two trillion, twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".