121022201001021 has 8 divisors (see below), whose sum is σ = 163573385828160. Its totient is φ = 79576241753952.

The previous prime is 121022201001019. The next prime is 121022201001029. The reversal of 121022201001021 is 120100102220121.

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

It is not a de Polignac number, because 121022201001021 - 2¹ = 121022201001019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022201001029) 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, 276306394761 + ... + 276306395198.

It is an arithmetic number, because the mean of its divisors is an integer number (20446673228520).

Almost surely, 2^{121022201001021} is an apocalyptic number.

It is an amenable number.

121022201001021 is a deficient number, since it is larger than the sum of its proper divisors (42551184827139).

121022201001021 is an equidigital number, since it uses as much as digits as its factorization.

121022201001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552612790035.

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

Adding to 121022201001021 its reverse (120100102220121), we get a palindrome (241122303221142).

The spelling of 121022201001021 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred one million, one thousand, twenty-one".