121103322021 has 120 divisors (see below), whose sum is σ = 210919750272. Its totient is φ = 69046084800.

The previous prime is 121103321981. The next prime is 121103322029. The reversal of 121103322021 is 120223301121.

121103322021 is a `hidden beast` number, since 121 + 10 + 332 + 202 + 1 = 666.

It is not a de Polignac number, because 121103322021 - 2¹³ = 121103313829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121103321985 and 121103322003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103322029) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 13746400 + ... + 13755206.

Almost surely, 2^121103322021 is an apocalyptic number.

121103322021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121103322021 is a deficient number, since it is larger than the sum of its proper divisors (89816428251).

121103322021 is a wasteful number, since it uses less digits than its factorization.

121103322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925 (or 8905 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121103322021 its reverse (120223301121), we get a palindrome (241326623142).

The spelling of 121103322021 in words is "one hundred twenty-one billion, one hundred three million, three hundred twenty-two thousand, twenty-one".