221013465501242 has 16 divisors (see below), whose sum is σ = 334173119512320. Its totient is φ = 109625941796112.

The previous prime is 221013465501233. The next prime is 221013465501251. The reversal of 221013465501242 is 242105564310122.

It is an interprime number because it is at equal distance from previous prime (221013465501233) and next prime (221013465501251).

It is a junction number, because it is equal to n+sod(n) for n = 221013465501196 and 221013465501205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878907113 + ... + 879158540.

It is an arithmetic number, because the mean of its divisors is an integer number (20885819969520).

Almost surely, 2^{221013465501242} is an apocalyptic number.

221013465501242 is a deficient number, since it is larger than the sum of its proper divisors (113159654011078).

221013465501242 is a wasteful number, since it uses less digits than its factorization.

221013465501242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758066157.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 221013465501242 in words is "two hundred twenty-one trillion, thirteen billion, four hundred sixty-five million, five hundred one thousand, two hundred forty-two".