120022020091 has 4 divisors (see below), whose sum is σ = 120074918800. Its totient is φ = 119969121384.

The previous prime is 120022020073. The next prime is 120022020103. The reversal of 120022020091 is 190020220021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190020220021 = 281 ⋅676228541.

It is a cyclic number.

It is not a de Polignac number, because 120022020091 - 2¹¹ = 120022018043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120022020191) 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, 26445951 + ... + 26450488.

It is an arithmetic number, because the mean of its divisors is an integer number (30018729700).

Almost surely, 2^120022020091 is an apocalyptic number.

120022020091 is a deficient number, since it is larger than the sum of its proper divisors (52898709).

120022020091 is an equidigital number, since it uses as much as digits as its factorization.

120022020091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52898708.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 120022020091 in words is "one hundred twenty billion, twenty-two million, twenty thousand, ninety-one".