1022201343542 has 8 divisors (see below), whose sum is σ = 1534028360832. Its totient is φ = 510858556600.

The previous prime is 1022201343529. The next prime is 1022201343551. The reversal of 1022201343542 is 2453431022201.

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

It is a congruent number.

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, 121052309 + ... + 121060752.

It is an arithmetic number, because the mean of its divisors is an integer number (191753545104).

Almost surely, 2^{1022201343542} is an apocalyptic number.

1022201343542 is a deficient number, since it is larger than the sum of its proper divisors (511827017290).

1022201343542 is a wasteful number, since it uses less digits than its factorization.

1022201343542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242115174.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1022201343542 its reverse (2453431022201), we get a palindrome (3475632365743).

The spelling of 1022201343542 in words is "one trillion, twenty-two billion, two hundred one million, three hundred forty-three thousand, five hundred forty-two".