1012110221101 has 16 divisors (see below), whose sum is σ = 1178199815296. Its totient is φ = 851489724096.

The previous prime is 1012110221071. The next prime is 1012110221113. The reversal of 1012110221101 is 1011220112101.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012110221101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012110224101) 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, 3765426 + ... + 4025251.

It is an arithmetic number, because the mean of its divisors is an integer number (73637488456).

Almost surely, 2^{1012110221101} is an apocalyptic number.

It is an amenable number.

1012110221101 is a deficient number, since it is larger than the sum of its proper divisors (166089594195).

1012110221101 is an equidigital number, since it uses as much as digits as its factorization.

1012110221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791028.

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

Adding to 1012110221101 its reverse (1011220112101), we get a palindrome (2023330333202).

The spelling of 1012110221101 in words is "one trillion, twelve billion, one hundred ten million, two hundred twenty-one thousand, one hundred one".