1201120100201 has 16 divisors (see below), whose sum is σ = 1444987148160. Its totient is φ = 975324965760.

The previous prime is 1201120100183. The next prime is 1201120100251. The reversal of 1201120100201 is 1020010211021.

It is a cyclic number.

It is not a de Polignac number, because 1201120100201 - 2¹⁴ = 1201120083817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201120100251) 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, 11134415 + ... + 11241771.

It is an arithmetic number, because the mean of its divisors is an integer number (90311696760).

Almost surely, 2^{1201120100201} is an apocalyptic number.

It is an amenable number.

1201120100201 is a deficient number, since it is larger than the sum of its proper divisors (243867047959).

1201120100201 is a wasteful number, since it uses less digits than its factorization.

1201120100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191504.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201120100201 its reverse (1020010211021), we get a palindrome (2221130311222).

The spelling of 1201120100201 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred thousand, two hundred one".