200021101210122 has 32 divisors (see below), whose sum is σ = 402260915556864. Its totient is φ = 66303930513600.

The previous prime is 200021101210079. The next prime is 200021101210123. The reversal of 200021101210122 is 221012101120002.

200021101210122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×200021101210122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200021101210123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49883968 + ... + 53744324.

It is an arithmetic number, because the mean of its divisors is an integer number (12570653611152).

Almost surely, 2^{200021101210122} is an apocalyptic number.

200021101210122 is an abundant number, since it is smaller than the sum of its proper divisors (202239814346742).

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

200021101210122 is a wasteful number, since it uses less digits than its factorization.

200021101210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908254.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200021101210122 its reverse (221012101120002), we get a palindrome (421033202330124).

The spelling of 200021101210122 in words is "two hundred trillion, twenty-one billion, one hundred one million, two hundred ten thousand, one hundred twenty-two".