121101200103030 has 128 divisors (see below), whose sum is σ = 344159624521728. Its totient is φ = 26693820905472.

The previous prime is 121101200103011. The next prime is 121101200103127. The reversal of 121101200103030 is 30301002101121.

It is a happy number.

It is a super-2 number, since 2×121101200103030² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68085442 + ... + 69841461.

It is an arithmetic number, because the mean of its divisors is an integer number (2688747066576).

Almost surely, 2^{121101200103030} is an apocalyptic number.

121101200103030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101200103030 is an abundant number, since it is smaller than the sum of its proper divisors (223058424418698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121101200103030 is a wasteful number, since it uses less digits than its factorization.

121101200103030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137927070.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121101200103030 its reverse (30301002101121), we get a palindrome (151402202204151).

The spelling of 121101200103030 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred million, one hundred three thousand, thirty".