221051606150122 has 8 divisors (see below), whose sum is σ = 361720810063872. Its totient is φ = 100478002795500.

The previous prime is 221051606150071. The next prime is 221051606150129.

221051606150122 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×221051606150122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221051606150129) 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, 5023900139754 + ... + 5023900139797.

It is an arithmetic number, because the mean of its divisors is an integer number (45215101257984).

Almost surely, 2^{221051606150122} is an apocalyptic number.

221051606150122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221051606150122 is a deficient number, since it is larger than the sum of its proper divisors (140669203913750).

221051606150122 is a wasteful number, since it uses less digits than its factorization.

221051606150122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10047800279564.

The product of its (nonzero) digits is 14400, while the sum is 34.

It can be divided in two parts, 22105160 and 6150122, that added together give a palindrome (28255282).

The spelling of 221051606150122 in words is "two hundred twenty-one trillion, fifty-one billion, six hundred six million, one hundred fifty thousand, one hundred twenty-two".