10120010101021 has 8 divisors (see below), whose sum is σ = 10140427946880. Its totient is φ = 10099599252288.

The previous prime is 10120010100961. The next prime is 10120010101073. The reversal of 10120010101021 is 12010101002101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10120010101021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120010100989 and 10120010101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120010104021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151100 + ... + 4643818.

It is an arithmetic number, because the mean of its divisors is an integer number (1267553493360).

Almost surely, 2^{10120010101021} is an apocalyptic number.

It is an amenable number.

10120010101021 is a deficient number, since it is larger than the sum of its proper divisors (20417845859).

10120010101021 is an equidigital number, since it uses as much as digits as its factorization.

10120010101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498563.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10120010101021 its reverse (12010101002101), we get a palindrome (22130111103122).

The spelling of 10120010101021 in words is "ten trillion, one hundred twenty billion, ten million, one hundred one thousand, twenty-one".