200000021122 has 16 divisors (see below), whose sum is σ = 327390206400. Its totient is φ = 90876477040.

The previous prime is 200000021099. The next prime is 200000021167. The reversal of 200000021122 is 221120000002.

It is a super-2 number, since 2×200000021122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200000021099 and 200000021108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568422 + ... + 1691137.

It is an arithmetic number, because the mean of its divisors is an integer number (20461887900).

Almost surely, 2^200000021122 is an apocalyptic number.

200000021122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200000021122 is a deficient number, since it is larger than the sum of its proper divisors (127390185278).

200000021122 is a wasteful number, since it uses less digits than its factorization.

200000021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262361.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200000021122 its reverse (221120000002), we get a palindrome (421120021124).

The spelling of 200000021122 in words is "two hundred billion, twenty-one thousand, one hundred twenty-two".