4021215410122 has 12 divisors (see below), whose sum is σ = 6305478607890. Its totient is φ = 1923189978248.

The previous prime is 4021215410111. The next prime is 4021215410143. The reversal of 4021215410122 is 2210145121204.

It can be written as a sum of positive squares in only one way, i.e., 3711591049401 + 309624360721 = 1926549^2 + 556439^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1900384297 + ... + 1900386412.

Almost surely, 2^{4021215410122} is an apocalyptic number.

4021215410122 is a deficient number, since it is larger than the sum of its proper divisors (2284263197768).

4021215410122 is a wasteful number, since it uses less digits than its factorization.

4021215410122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800770757 (or 3800770734 counting only the distinct ones).

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

The spelling of 4021215410122 in words is "four trillion, twenty-one billion, two hundred fifteen million, four hundred ten thousand, one hundred twenty-two".