10121012032001 has 4 divisors (see below), whose sum is σ = 10899551419092. Its totient is φ = 9342472644912.

The previous prime is 10121012031979. The next prime is 10121012032009. The reversal of 10121012032001 is 10023021012101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2862190623601 + 7258821408400 = 1691801^2 + 2694220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121012032001 is a prime.

It is a super-2 number, since 2×10121012032001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121012032009) 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, 389269693526 + ... + 389269693551.

It is an arithmetic number, because the mean of its divisors is an integer number (2724887854773).

Almost surely, 2^{10121012032001} is an apocalyptic number.

It is an amenable number.

10121012032001 is a deficient number, since it is larger than the sum of its proper divisors (778539387091).

10121012032001 is an equidigital number, since it uses as much as digits as its factorization.

10121012032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778539387090.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10121012032001 its reverse (10023021012101), we get a palindrome (20144033044102).

The spelling of 10121012032001 in words is "ten trillion, one hundred twenty-one billion, twelve million, thirty-two thousand, one".