121012010113001 has 10 divisors (see below), whose sum is σ = 141172278356202. Its totient is φ = 103724580094800.

The previous prime is 121012010112991. The next prime is 121012010113009. The reversal of 121012010113001 is 100311010210121.

It can be written as a sum of positive squares in only one way, i.e., 67170154147600 + 53841855965401 = 8195740^2 + 7337701^2 .

It is a de Polignac number, because none of the positive numbers 2^k-121012010113001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012010113009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25200332900 + ... + 25200337701.

Almost surely, 2^{121012010113001} is an apocalyptic number.

It is an amenable number.

121012010113001 is a deficient number, since it is larger than the sum of its proper divisors (20160268243201).

121012010113001 is an frugal number, since it uses more digits than its factorization.

121012010113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50400670629 (or 50400670608 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121012010113001 its reverse (100311010210121), we get a palindrome (221323020323122).

The spelling of 121012010113001 in words is "one hundred twenty-one trillion, twelve billion, ten million, one hundred thirteen thousand, one".