122210110202021 has 8 divisors (see below), whose sum is σ = 123023133059160. Its totient is φ = 121398312701952.

The previous prime is 122210110201979. The next prime is 122210110202027. The reversal of 122210110202021 is 120202011012221.

It can be written as a sum of positive squares in 4 ways, for example, as 70525312264225 + 51684797937796 = 8397935^2 + 7189214^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 122210110202021 - 2¹⁴ = 122210110185637 is a prime.

It is a super-2 number, since 2×122210110202021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210110202027) 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, 306139136 + ... + 306538073.

It is an arithmetic number, because the mean of its divisors is an integer number (15377891632395).

Almost surely, 2^{122210110202021} is an apocalyptic number.

It is an amenable number.

122210110202021 is a deficient number, since it is larger than the sum of its proper divisors (813022857139).

122210110202021 is a wasteful number, since it uses less digits than its factorization.

122210110202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612678535.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122210110202021 its reverse (120202011012221), we get a palindrome (242412121214242).

The spelling of 122210110202021 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred ten million, two hundred two thousand, twenty-one".