200221102101122 has 4 divisors (see below), whose sum is σ = 300331653151686. Its totient is φ = 100110551050560.

The previous prime is 200221102101113. The next prime is 200221102101127. The reversal of 200221102101122 is 221101201122002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140075012538241 + 60146089562881 = 11835329^2 + 7755391^2 .

It is a super-2 number, since 2×200221102101122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200221102101122.

It is not an unprimeable number, because it can be changed into a prime (200221102101127) by changing a digit.

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 as a sum of consecutive naturals, namely, 50055275525279 + ... + 50055275525282.

Almost surely, 2^{200221102101122} is an apocalyptic number.

200221102101122 is a deficient number, since it is larger than the sum of its proper divisors (100110551050564).

200221102101122 is a wasteful number, since it uses less digits than its factorization.

200221102101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100110551050563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200221102101122 its reverse (221101201122002), we get a palindrome (421322303223124).

The spelling of 200221102101122 in words is "two hundred trillion, two hundred twenty-one billion, one hundred two million, one hundred one thousand, one hundred twenty-two".