542214511021 has 4 divisors (see below), whose sum is σ = 542218545792. Its totient is φ = 542210476252.

The previous prime is 542214511001. The next prime is 542214511031. The reversal of 542214511021 is 120115412245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542214511021 - 2⁵ = 542214510989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542214511001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808605 + ... + 2086978.

It is an arithmetic number, because the mean of its divisors is an integer number (135554636448).

Almost surely, 2^542214511021 is an apocalyptic number.

It is an amenable number.

542214511021 is a deficient number, since it is larger than the sum of its proper divisors (4034771).

542214511021 is a wasteful number, since it uses less digits than its factorization.

542214511021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034770.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 542214511021 its reverse (120115412245), we get a palindrome (662329923266).

The spelling of 542214511021 in words is "five hundred forty-two billion, two hundred fourteen million, five hundred eleven thousand, twenty-one".