121022026203 has 16 divisors (see below), whose sum is σ = 173933688096. Its totient is φ = 74407176960.

The previous prime is 121022026163. The next prime is 121022026219. The reversal of 121022026203 is 302620220121.

It is not a de Polignac number, because 121022026203 - 2¹⁴ = 121022009819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121022026203.

It is not an unprimeable number, because it can be changed into a prime (121022026273) 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, 1371588 + ... + 1457153.

It is an arithmetic number, because the mean of its divisors is an integer number (10870855506).

Almost surely, 2^121022026203 is an apocalyptic number.

121022026203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121022026203 is a deficient number, since it is larger than the sum of its proper divisors (52911661893).

121022026203 is a wasteful number, since it uses less digits than its factorization.

121022026203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829854.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121022026203 its reverse (302620220121), we get a palindrome (423642246324).

The spelling of 121022026203 in words is "one hundred twenty-one billion, twenty-two million, twenty-six thousand, two hundred three".