221214302040342 has 32 divisors (see below), whose sum is σ = 476802146822400. Its totient is φ = 68017285775520.

The previous prime is 221214302040283. The next prime is 221214302040373. The reversal of 221214302040342 is 243040203412122.

221214302040342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1013500884 + ... + 1013719127.

It is an arithmetic number, because the mean of its divisors is an integer number (14900067088200).

Almost surely, 2^{221214302040342} is an apocalyptic number.

221214302040342 is an abundant number, since it is smaller than the sum of its proper divisors (255587844782058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221214302040342 is a wasteful number, since it uses less digits than its factorization.

221214302040342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027221428.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 221214302040342 its reverse (243040203412122), we get a palindrome (464254505452464).

The spelling of 221214302040342 in words is "two hundred twenty-one trillion, two hundred fourteen billion, three hundred two million, forty thousand, three hundred forty-two".