121022022101021 has 4 divisors (see below), whose sum is σ = 121274677680000. Its totient is φ = 120769366522044.

The previous prime is 121022022101011. The next prime is 121022022101063. The reversal of 121022022101021 is 120101220220121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121022022101021 - 2¹⁰ = 121022022099997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022022101011) 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, 126327788771 + ... + 126327789728.

It is an arithmetic number, because the mean of its divisors is an integer number (30318669420000).

Almost surely, 2^{121022022101021} is an apocalyptic number.

It is an amenable number.

121022022101021 is a deficient number, since it is larger than the sum of its proper divisors (252655578979).

121022022101021 is an equidigital number, since it uses as much as digits as its factorization.

121022022101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252655578978.

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

Adding to 121022022101021 its reverse (120101220220121), we get a palindrome (241123242321142).

The spelling of 121022022101021 in words is "one hundred twenty-one trillion, twenty-two billion, twenty-two million, one hundred one thousand, twenty-one".