1201110102101 has 16 divisors (see below), whose sum is σ = 1478459533824. Its totient is φ = 950219472384.

The previous prime is 1201110102091. The next prime is 1201110102113. The reversal of 1201110102101 is 1012010111021.

It is not a de Polignac number, because 1201110102101 - 2⁶ = 1201110102037 is a prime.

It is a super-2 number, since 2×1201110102101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201110102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39716 + ... + 1550418.

It is an arithmetic number, because the mean of its divisors is an integer number (92403720864).

Almost surely, 2^{1201110102101} is an apocalyptic number.

It is an amenable number.

1201110102101 is a deficient number, since it is larger than the sum of its proper divisors (277349431723).

1201110102101 is a wasteful number, since it uses less digits than its factorization.

1201110102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519460.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1201110102101 its reverse (1012010111021), we get a palindrome (2213120213122).

The spelling of 1201110102101 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred two thousand, one hundred one".