1201201222111 has 8 divisors (see below), whose sum is σ = 1311022107648. Its totient is φ = 1091483799000.

The previous prime is 1201201222087. The next prime is 1201201222127. The reversal of 1201201222111 is 1112221021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201201222111 - 2²⁹ = 1200664351199 is a prime.

It is a super-3 number, since 3×1201201222111³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201201223111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25841325 + ... + 25887766.

It is an arithmetic number, because the mean of its divisors is an integer number (163877763456).

Almost surely, 2^{1201201222111} is an apocalyptic number.

1201201222111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201201222111 is a deficient number, since it is larger than the sum of its proper divisors (109820885537).

1201201222111 is a wasteful number, since it uses less digits than its factorization.

1201201222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51731213.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201201222111 its reverse (1112221021021), we get a palindrome (2313422243132).

The spelling of 1201201222111 in words is "one trillion, two hundred one billion, two hundred one million, two hundred twenty-two thousand, one hundred eleven".