121010243461 has 16 divisors (see below), whose sum is σ = 122099140800. Its totient is φ = 119926915200.

The previous prime is 121010243447. The next prime is 121010243467. The reversal of 121010243461 is 164342010121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121010243461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010243467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118753410 + ... + 118754428.

It is an arithmetic number, because the mean of its divisors is an integer number (7631196300).

Almost surely, 2^121010243461 is an apocalyptic number.

It is an amenable number.

121010243461 is a deficient number, since it is larger than the sum of its proper divisors (1088897339).

121010243461 is a wasteful number, since it uses less digits than its factorization.

121010243461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121010243461 its reverse (164342010121), we get a palindrome (285352253582).

The spelling of 121010243461 in words is "one hundred twenty-one billion, ten million, two hundred forty-three thousand, four hundred sixty-one".