4101220042 has 8 divisors (see below), whose sum is σ = 6155297316. Its totient is φ = 2049454272.

The previous prime is 4101220033. The next prime is 4101220127. The reversal of 4101220042 is 2400221014.

It can be written as a sum of positive squares in 2 ways, for example, as 4080526641 + 20693401 = 63879^2 + 4549^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4101219998 and 4101220025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573433 + ... + 580540.

Almost surely, 2^4101220042 is an apocalyptic number.

4101220042 is a deficient number, since it is larger than the sum of its proper divisors (2054077274).

4101220042 is a wasteful number, since it uses less digits than its factorization.

4101220042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155752.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4101220042 is about 64040.7685931392. The cubic root of 4101220042 is about 1600.6794044339.

Adding to 4101220042 its reverse (2400221014), we get a palindrome (6501441056).

The spelling of 4101220042 in words is "four billion, one hundred one million, two hundred twenty thousand, forty-two".