121403403220011 has 8 divisors (see below), whose sum is σ = 176586768320064. Its totient is φ = 73577820133320.

The previous prime is 121403403219941. The next prime is 121403403220067. The reversal of 121403403220011 is 110022304304121.

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

It is not a de Polignac number, because 121403403220011 - 2¹¹ = 121403403217963 is a prime.

It is a super-3 number, since 3×121403403220011³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121403403220091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839445503301 + ... + 1839445503366.

It is an arithmetic number, because the mean of its divisors is an integer number (22073346040008).

Almost surely, 2^{121403403220011} is an apocalyptic number.

121403403220011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121403403220011 is a deficient number, since it is larger than the sum of its proper divisors (55183365100053).

121403403220011 is a wasteful number, since it uses less digits than its factorization.

121403403220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678891006681.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121403403220011 its reverse (110022304304121), we get a palindrome (231425707524132).

The spelling of 121403403220011 in words is "one hundred twenty-one trillion, four hundred three billion, four hundred three million, two hundred twenty thousand, eleven".