101110022021021 has 4 divisors (see below), whose sum is σ = 108887716022652. Its totient is φ = 93332328019392.

The previous prime is 101110022020957. The next prime is 101110022021069. The reversal of 101110022021021 is 120120220011101.

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 5494284432121 + 95615737588900 = 2343989^2 + 9778330^2 .

It is a cyclic number.

It is not a de Polignac number, because 101110022021021 - 2⁶ = 101110022020957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101110022020987 and 101110022021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101110022021821) 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, 3888847000796 + ... + 3888847000821.

It is an arithmetic number, because the mean of its divisors is an integer number (27221929005663).

Almost surely, 2^{101110022021021} is an apocalyptic number.

It is an amenable number.

101110022021021 is a deficient number, since it is larger than the sum of its proper divisors (7777694001631).

101110022021021 is an equidigital number, since it uses as much as digits as its factorization.

101110022021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777694001630.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101110022021021 its reverse (120120220011101), we get a palindrome (221230242032122).

The spelling of 101110022021021 in words is "one hundred one trillion, one hundred ten billion, twenty-two million, twenty-one thousand, twenty-one".