1201011022101 has 8 divisors (see below), whose sum is σ = 1746925123104. Its totient is φ = 727885467920.

The previous prime is 1201011022087. The next prime is 1201011022153. The reversal of 1201011022101 is 1012201101021.

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 1201011022101 - 2¹⁵ = 1201010989333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201011022171) 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, 18197136666 + ... + 18197136731.

It is an arithmetic number, because the mean of its divisors is an integer number (218365640388).

Almost surely, 2^{1201011022101} is an apocalyptic number.

1201011022101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201011022101 is a deficient number, since it is larger than the sum of its proper divisors (545914101003).

1201011022101 is a wasteful number, since it uses less digits than its factorization.

1201011022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36394273411.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201011022101 its reverse (1012201101021), we get a palindrome (2213212123122).

The spelling of 1201011022101 in words is "one trillion, two hundred one billion, eleven million, twenty-two thousand, one hundred one".