121211001222022 has 8 divisors (see below), whose sum is σ = 181862848136376. Its totient is φ = 60590051843232.

The previous prime is 121211001222007. The next prime is 121211001222043. The reversal of 121211001222022 is 220222100112121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7724374083 + ... + 7724389774.

It is an arithmetic number, because the mean of its divisors is an integer number (22732856017047).

Almost surely, 2^{121211001222022} is an apocalyptic number.

121211001222022 is a deficient number, since it is larger than the sum of its proper divisors (60651846914354).

121211001222022 is a wasteful number, since it uses less digits than its factorization.

121211001222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15448767782.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121211001222022 its reverse (220222100112121), we get a palindrome (341433101334143).

The spelling of 121211001222022 in words is "one hundred twenty-one trillion, two hundred eleven billion, one million, two hundred twenty-two thousand, twenty-two".