121030012211203 has 4 divisors (see below), whose sum is σ = 121033576039288. Its totient is φ = 121026448383120.

The previous prime is 121030012211191. The next prime is 121030012211267. The reversal of 121030012211203 is 302112210030121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121030012211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121030012211293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1781863101 + ... + 1781931022.

It is an arithmetic number, because the mean of its divisors is an integer number (30258394009822).

Almost surely, 2^{121030012211203} is an apocalyptic number.

121030012211203 is a deficient number, since it is larger than the sum of its proper divisors (3563828085).

121030012211203 is an equidigital number, since it uses as much as digits as its factorization.

121030012211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563828084.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121030012211203 its reverse (302112210030121), we get a palindrome (423142222241324).

The spelling of 121030012211203 in words is "one hundred twenty-one trillion, thirty billion, twelve million, two hundred eleven thousand, two hundred three".