101021120211101 has 4 divisors (see below), whose sum is σ = 102021329322204. Its totient is φ = 100020911100000.

The previous prime is 101021120211049. The next prime is 101021120211103. The reversal of 101021120211101 is 101112021120101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64056252355225 + 36964867855876 = 8003515^2 + 6079874^2 .

It is a cyclic number.

It is not a de Polignac number, because 101021120211101 - 2²⁶ = 101021053102237 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 (101021120211103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500104555400 + ... + 500104555601.

It is an arithmetic number, because the mean of its divisors is an integer number (25505332330551).

Almost surely, 2^{101021120211101} is an apocalyptic number.

It is an amenable number.

101021120211101 is a deficient number, since it is larger than the sum of its proper divisors (1000209111103).

101021120211101 is a wasteful number, since it uses less digits than its factorization.

101021120211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000209111102.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101021120211101 its reverse (101112021120101), we get a palindrome (202133141331202).

The spelling of 101021120211101 in words is "one hundred one trillion, twenty-one billion, one hundred twenty million, two hundred eleven thousand, one hundred one".