2221313214151 has 16 divisors (see below), whose sum is σ = 2243255227488. Its totient is φ = 2199452112000.

The previous prime is 2221313214139. The next prime is 2221313214199. The reversal of 2221313214151 is 1514123131222.

It is a cyclic number.

It is not a de Polignac number, because 2221313214151 - 2⁷ = 2221313214023 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 (2221313214551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118771101 + ... + 118789801.

It is an arithmetic number, because the mean of its divisors is an integer number (140203451718).

Almost surely, 2^{2221313214151} is an apocalyptic number.

2221313214151 is a deficient number, since it is larger than the sum of its proper divisors (21942013337).

2221313214151 is a wasteful number, since it uses less digits than its factorization.

2221313214151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20802.

The product of its digits is 2880, while the sum is 28.

Adding to 2221313214151 its reverse (1514123131222), we get a palindrome (3735436345373).

The spelling of 2221313214151 in words is "two trillion, two hundred twenty-one billion, three hundred thirteen million, two hundred fourteen thousand, one hundred fifty-one".