1010120211101 has 2 divisors, whose sum is σ = 1010120211102. Its totient is φ = 1010120211100.

The previous prime is 1010120211097. The next prime is 1010120211119. The reversal of 1010120211101 is 1011120210101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 791681755225 + 218438455876 = 889765^2 + 467374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010120211101 - 2² = 1010120211097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010120210101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505060105550 + 505060105551.

It is an arithmetic number, because the mean of its divisors is an integer number (505060105551).

Almost surely, 2^{1010120211101} is an apocalyptic number.

It is an amenable number.

1010120211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010120211101 is an equidigital number, since it uses as much as digits as its factorization.

1010120211101 is an evil number, because the sum of its binary digits is even.

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

Adding to 1010120211101 its reverse (1011120210101), we get a palindrome (2021240421202).

It can be divided in two parts, 1010120 and 211101, that added together give a palindrome (1221221).

The spelling of 1010120211101 in words is "one trillion, ten billion, one hundred twenty million, two hundred eleven thousand, one hundred one".