121003012103202 has 24 divisors (see below), whose sum is σ = 262173397724784. Its totient is φ = 40334305854744.

The previous prime is 121003012103111. The next prime is 121003012103209. The reversal of 121003012103202 is 202301210300121.

121003012103202 is a `hidden beast` number, since 1 + 2 + 100 + 30 + 1 + 210 + 320 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121003012103209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38241213 + ... + 41284335.

It is an arithmetic number, because the mean of its divisors is an integer number (10923891571866).

Almost surely, 2^{121003012103202} is an apocalyptic number.

121003012103202 is an abundant number, since it is smaller than the sum of its proper divisors (141170385621582).

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

121003012103202 is a wasteful number, since it uses less digits than its factorization.

121003012103202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252174 (or 5252171 counting only the distinct ones).

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

Adding to 121003012103202 its reverse (202301210300121), we get a palindrome (323304222403323).

The spelling of 121003012103202 in words is "one hundred twenty-one trillion, three billion, twelve million, one hundred three thousand, two hundred two".