1000200022101 has 120 divisors (see below), whose sum is σ = 1746545518080. Its totient is φ = 568762907328.

The previous prime is 1000200022099. The next prime is 1000200022127. The reversal of 1000200022101 is 1012200020001.

It is not a de Polignac number, because 1000200022101 - 2¹ = 1000200022099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000200022501) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1321267815 + ... + 1321268571.

It is an arithmetic number, because the mean of its divisors is an integer number (14554545984).

Almost surely, 2^{1000200022101} is an apocalyptic number.

It is an amenable number.

1000200022101 is a deficient number, since it is larger than the sum of its proper divisors (746345495979).

1000200022101 is an equidigital number, since it uses as much as digits as its factorization.

1000200022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000200022101 its reverse (1012200020001), we get a palindrome (2012400042102).

The spelling of 1000200022101 in words is "one trillion, two hundred million, twenty-two thousand, one hundred one".