1201011101101 has 16 divisors (see below), whose sum is σ = 1404952510464. Its totient is φ = 1005260680944.

The previous prime is 1201011101099. The next prime is 1201011101113. The reversal of 1201011101101 is 1011011101021.

It is a cyclic number.

It is not a de Polignac number, because 1201011101101 - 2¹ = 1201011101099 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 (1201011101131) 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, 3974445 + ... + 4265938.

It is an arithmetic number, because the mean of its divisors is an integer number (87809531904).

Almost surely, 2^{1201011101101} is an apocalyptic number.

It is an amenable number.

1201011101101 is a deficient number, since it is larger than the sum of its proper divisors (203941409363).

1201011101101 is an equidigital number, since it uses as much as digits as its factorization.

1201011101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8240880.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1201011101101 its reverse (1011011101021), we get a palindrome (2212022202122).

The spelling of 1201011101101 in words is "one trillion, two hundred one billion, eleven million, one hundred one thousand, one hundred one".