200101220122122 has 24 divisors (see below), whose sum is σ = 472966520289120. Its totient is φ = 60636733370280.

The previous prime is 200101220122109. The next prime is 200101220122123. The reversal of 200101220122122 is 221221022101002.

It is a happy number.

200101220122122 is a `hidden beast` number, since 200 + 1 + 0 + 1 + 220 + 1 + 221 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200101220122095 and 200101220122104.

It is not an unprimeable number, because it can be changed into a prime (200101220122123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505306111222 + ... + 505306111617.

It is an arithmetic number, because the mean of its divisors is an integer number (19706938345380).

Almost surely, 2^{200101220122122} is an apocalyptic number.

200101220122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200101220122122 is an abundant number, since it is smaller than the sum of its proper divisors (272865300166998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200101220122122 is a wasteful number, since it uses less digits than its factorization.

200101220122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010612222858 (or 1010612222855 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200101220122122 its reverse (221221022101002), we get a palindrome (421322242223124).

The spelling of 200101220122122 in words is "two hundred trillion, one hundred one billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".