1201102011121 has 8 divisors (see below), whose sum is σ = 1205199929504. Its totient is φ = 1197005752800.

The previous prime is 1201102011101. The next prime is 1201102011169. The reversal of 1201102011121 is 1211102011021.

It is a happy number.

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 1201102011121 - 2¹⁷ = 1201101880049 is a prime.

It is a super-2 number, since 2×1201102011121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201102011101) 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, 1043230 + ... + 1868296.

It is an arithmetic number, because the mean of its divisors is an integer number (150649991188).

Almost surely, 2^{1201102011121} is an apocalyptic number.

It is an amenable number.

1201102011121 is a deficient number, since it is larger than the sum of its proper divisors (4097918383).

1201102011121 is an equidigital number, since it uses as much as digits as its factorization.

1201102011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830031.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1201102011121 its reverse (1211102011021), we get a palindrome (2412204022142).

The spelling of 1201102011121 in words is "one trillion, two hundred one billion, one hundred two million, eleven thousand, one hundred twenty-one".