121122022413 has 16 divisors (see below), whose sum is σ = 184645472256. Its totient is φ = 69183116400.

The previous prime is 121122022409. The next prime is 121122022471. The reversal of 121122022413 is 314220221121.

It is a happy number.

It is not a de Polignac number, because 121122022413 - 2² = 121122022409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121122022413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122022313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177281 + ... + 1276022.

It is an arithmetic number, because the mean of its divisors is an integer number (11540342016).

Almost surely, 2^121122022413 is an apocalyptic number.

It is an amenable number.

121122022413 is a deficient number, since it is larger than the sum of its proper divisors (63523449843).

121122022413 is a wasteful number, since it uses less digits than its factorization.

121122022413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455664.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121122022413 its reverse (314220221121), we get a palindrome (435342243534).

The spelling of 121122022413 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, four hundred thirteen".