122000200121111 has 16 divisors (see below), whose sum is σ = 138670599107040. Its totient is φ = 106402406060160.

The previous prime is 122000200121101. The next prime is 122000200121167. The reversal of 122000200121111 is 111121002000221.

It is a cyclic number.

It is not a de Polignac number, because 122000200121111 - 2¹⁰ = 122000200120087 is a prime.

It is a super-2 number, since 2×122000200121111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000200121101) 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, 662009660 + ... + 662193921.

It is an arithmetic number, because the mean of its divisors is an integer number (8666912444190).

Almost surely, 2^{122000200121111} is an apocalyptic number.

122000200121111 is a deficient number, since it is larger than the sum of its proper divisors (16670398985929).

122000200121111 is a wasteful number, since it uses less digits than its factorization.

122000200121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324203986.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122000200121111 its reverse (111121002000221), we get a palindrome (233121202121332).

The spelling of 122000200121111 in words is "one hundred twenty-two trillion, two hundred million, one hundred twenty-one thousand, one hundred eleven".