101120102021011 has 4 divisors (see below), whose sum is σ = 101120157596224. Its totient is φ = 101120046445800.

The previous prime is 101120102020997. The next prime is 101120102021027. The reversal of 101120102021011 is 110120201021101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101120102021011 - 2¹⁹ = 101120101496723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101120102020982 and 101120102021000.

It is not an unprimeable number, because it can be changed into a prime (101120108021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24962595 + ... + 28729276.

It is an arithmetic number, because the mean of its divisors is an integer number (25280039399056).

Almost surely, 2^{101120102021011} is an apocalyptic number.

101120102021011 is a deficient number, since it is larger than the sum of its proper divisors (55575213).

101120102021011 is an equidigital number, since it uses as much as digits as its factorization.

101120102021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55575212.

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

Adding to 101120102021011 its reverse (110120201021101), we get a palindrome (211240303042112).

The spelling of 101120102021011 in words is "one hundred one trillion, one hundred twenty billion, one hundred two million, twenty-one thousand, eleven".