122000211021021 has 32 divisors (see below), whose sum is σ = 165730482748800. Its totient is φ = 79808169369600.

The previous prime is 122000211021011. The next prime is 122000211021079. The reversal of 122000211021021 is 120120112000221.

It is not a de Polignac number, because 122000211021021 - 2⁹ = 122000211020509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000211021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486549801 + ... + 486800481.

It is an arithmetic number, because the mean of its divisors is an integer number (5179077585900).

Almost surely, 2^{122000211021021} is an apocalyptic number.

It is an amenable number.

122000211021021 is a deficient number, since it is larger than the sum of its proper divisors (43730271727779).

122000211021021 is a wasteful number, since it uses less digits than its factorization.

122000211021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257117.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122000211021021 its reverse (120120112000221), we get a palindrome (242120323021242).

The spelling of 122000211021021 in words is "one hundred twenty-two trillion, two hundred eleven million, twenty-one thousand, twenty-one".