1200222101101 has 32 divisors (see below), whose sum is σ = 1262194283520. Its totient is φ = 1139845132800.

The previous prime is 1200222101047. The next prime is 1200222101147. The reversal of 1200222101101 is 1011012220021.

It is a cyclic number.

It is not a de Polignac number, because 1200222101101 - 2⁹ = 1200222100589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200222101201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 970267855 + ... + 970269091.

It is an arithmetic number, because the mean of its divisors is an integer number (39443571360).

Almost surely, 2^{1200222101101} is an apocalyptic number.

It is an amenable number.

1200222101101 is a deficient number, since it is larger than the sum of its proper divisors (61972182419).

1200222101101 is a wasteful number, since it uses less digits than its factorization.

1200222101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725.

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

Adding to 1200222101101 its reverse (1011012220021), we get a palindrome (2211234321122).

The spelling of 1200222101101 in words is "one trillion, two hundred billion, two hundred twenty-two million, one hundred one thousand, one hundred one".