121032202223021 has 16 divisors (see below), whose sum is σ = 123246669256704. Its totient is φ = 118837523395584.

The previous prime is 121032202223017. The next prime is 121032202223027. The reversal of 121032202223021 is 120322202230121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121032202223021 - 2² = 121032202223017 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 (121032202223027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442891601 + ... + 443164793.

It is an arithmetic number, because the mean of its divisors is an integer number (7702916828544).

Almost surely, 2^{121032202223021} is an apocalyptic number.

It is an amenable number.

121032202223021 is a deficient number, since it is larger than the sum of its proper divisors (2214467033683).

121032202223021 is a wasteful number, since it uses less digits than its factorization.

121032202223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309380.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121032202223021 its reverse (120322202230121), we get a palindrome (241354404453142).

The spelling of 121032202223021 in words is "one hundred twenty-one trillion, thirty-two billion, two hundred two million, two hundred twenty-three thousand, twenty-one".