2021132403415 has 16 divisors (see below), whose sum is σ = 2528384368896. Its totient is φ = 1549255104000.

The previous prime is 2021132403337. The next prime is 2021132403421. The reversal of 2021132403415 is 5143042311202.

It is not a de Polignac number, because 2021132403415 - 2⁹ = 2021132402903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64536642 + ... + 64567951.

It is an arithmetic number, because the mean of its divisors is an integer number (158024023056).

Almost surely, 2^{2021132403415} is an apocalyptic number.

2021132403415 is a deficient number, since it is larger than the sum of its proper divisors (507251965481).

2021132403415 is a wasteful number, since it uses less digits than its factorization.

2021132403415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129104730.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 2021132403415 its reverse (5143042311202), we get a palindrome (7164174714617).

The spelling of 2021132403415 in words is "two trillion, twenty-one billion, one hundred thirty-two million, four hundred three thousand, four hundred fifteen".