122011020200021 has 8 divisors (see below), whose sum is σ = 128875856296704. Its totient is φ = 115329246399360.

The previous prime is 122011020200011. The next prime is 122011020200089. The reversal of 122011020200021 is 120002020110221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122011020200021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122011020199969 and 122011020200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011020200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45765572636 + ... + 45765575301.

It is an arithmetic number, because the mean of its divisors is an integer number (16109482037088).

Almost surely, 2^{122011020200021} is an apocalyptic number.

It is an amenable number.

122011020200021 is a deficient number, since it is larger than the sum of its proper divisors (6864836096683).

122011020200021 is an equidigital number, since it uses as much as digits as its factorization.

122011020200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91531148011.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122011020200021 its reverse (120002020110221), we get a palindrome (242013040310242).

The spelling of 122011020200021 in words is "one hundred twenty-two trillion, eleven billion, twenty million, two hundred thousand, twenty-one".