122010110002021 has 4 divisors (see below), whose sum is σ = 122170438662444. Its totient is φ = 121849781341600.

The previous prime is 122010110002003. The next prime is 122010110002037. The reversal of 122010110002021 is 120200011010221.

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 19175299439521 + 102834810562500 = 4378961^2 + 10140750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122010110002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122010110001992 and 122010110002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010110002051) 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, 80164329070 + ... + 80164330591.

It is an arithmetic number, because the mean of its divisors is an integer number (30542609665611).

Almost surely, 2^{122010110002021} is an apocalyptic number.

It is an amenable number.

122010110002021 is a deficient number, since it is larger than the sum of its proper divisors (160328660423).

122010110002021 is an equidigital number, since it uses as much as digits as its factorization.

122010110002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160328660422.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122010110002021 its reverse (120200011010221), we get a palindrome (242210121012242).

The spelling of 122010110002021 in words is "one hundred twenty-two trillion, ten billion, one hundred ten million, two thousand, twenty-one".