2021402412115 has 8 divisors (see below), whose sum is σ = 2425708311840. Its totient is φ = 1617104984832.

The previous prime is 2021402412067. The next prime is 2021402412119. The reversal of 2021402412115 is 5112142041202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021402412115 - 2²³ = 2021394023507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021402412115.

It is not an unprimeable number, because it can be changed into a prime (2021402412119) 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, 1580830 + ... + 2557699.

It is an arithmetic number, because the mean of its divisors is an integer number (303213538980).

Almost surely, 2^{2021402412115} is an apocalyptic number.

2021402412115 is a deficient number, since it is larger than the sum of its proper divisors (404305899725).

2021402412115 is an equidigital number, since it uses as much as digits as its factorization.

2021402412115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236221.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 2021402412115 its reverse (5112142041202), we get a palindrome (7133544453317).

The spelling of 2021402412115 in words is "two trillion, twenty-one billion, four hundred two million, four hundred twelve thousand, one hundred fifteen".