200122011010111 has 4 divisors (see below), whose sum is σ = 201240011071800. Its totient is φ = 199004010948424.

The previous prime is 200122011010109. The next prime is 200122011010171. The reversal of 200122011010111 is 111010110221002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 200122011010111 - 2¹ = 200122011010109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200122011010091 and 200122011010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122011010171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559000030576 + ... + 559000030933.

It is an arithmetic number, because the mean of its divisors is an integer number (50310002767950).

Almost surely, 2^{200122011010111} is an apocalyptic number.

200122011010111 is a deficient number, since it is larger than the sum of its proper divisors (1118000061689).

200122011010111 is a wasteful number, since it uses less digits than its factorization.

200122011010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118000061688.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200122011010111 its reverse (111010110221002), we get a palindrome (311132121231113).

The spelling of 200122011010111 in words is "two hundred trillion, one hundred twenty-two billion, eleven million, ten thousand, one hundred eleven".