121120101121203 has 24 divisors (see below), whose sum is σ = 190249061865408. Its totient is φ = 73942955212032.

The previous prime is 121120101121189. The next prime is 121120101121211. The reversal of 121120101121203 is 302121101021121.

It is a happy number.

121120101121203 is a `hidden beast` number, since 121 + 120 + 101 + 121 + 203 = 666.

It is not a de Polignac number, because 121120101121203 - 2⁸ = 121120101120947 is a prime.

It is a super-2 number, since 2×121120101121203² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121120101121223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10697759851 + ... + 10697771172.

It is an arithmetic number, because the mean of its divisors is an integer number (7927044244392).

Almost surely, 2^{121120101121203} is an apocalyptic number.

121120101121203 is a deficient number, since it is larger than the sum of its proper divisors (69128960744205).

121120101121203 is a wasteful number, since it uses less digits than its factorization.

121120101121203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21395531083 (or 21395531080 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 121120101121203 its reverse (302121101021121), we get a palindrome (423241202142324).

The spelling of 121120101121203 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred one million, one hundred twenty-one thousand, two hundred three".