121022212001 has 2 divisors, whose sum is σ = 121022212002. Its totient is φ = 121022212000.

The previous prime is 121022211979. The next prime is 121022212019. The reversal of 121022212001 is 100212220121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118831878400 + 2190333601 = 344720^2 + 46801^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022212001 - 2¹⁰ = 121022210977 is a prime.

It is a super-2 number, since 2×121022212001² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121022212081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511106000 + 60511106001.

It is an arithmetic number, because the mean of its divisors is an integer number (60511106001).

Almost surely, 2^121022212001 is an apocalyptic number.

It is an amenable number.

121022212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022212001 is an equidigital number, since it uses as much as digits as its factorization.

121022212001 is an evil number, because the sum of its binary digits is even.

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

Adding to 121022212001 its reverse (100212220121), we get a palindrome (221234432122).

The spelling of 121022212001 in words is "one hundred twenty-one billion, twenty-two million, two hundred twelve thousand, one".