1200111022201 has 16 divisors (see below), whose sum is σ = 1480856832000. Its totient is φ = 947097390528.

The previous prime is 1200111022199. The next prime is 1200111022267. The reversal of 1200111022201 is 1022201110021.

It is a cyclic number.

It is not a de Polignac number, because 1200111022201 - 2¹ = 1200111022199 is a prime.

It is a super-2 number, since 2×1200111022201² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1200111022291) 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, 16915801 + ... + 16986598.

It is an arithmetic number, because the mean of its divisors is an integer number (92553552000).

Almost surely, 2^{1200111022201} is an apocalyptic number.

It is an amenable number.

1200111022201 is a deficient number, since it is larger than the sum of its proper divisors (280745809799).

1200111022201 is a wasteful number, since it uses less digits than its factorization.

1200111022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33902808.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200111022201 its reverse (1022201110021), we get a palindrome (2222312132222).

The spelling of 1200111022201 in words is "one trillion, two hundred billion, one hundred eleven million, twenty-two thousand, two hundred one".