150216770111221 has 4 divisors (see below), whose sum is σ = 163872840121344. Its totient is φ = 136560700101100.

The previous prime is 150216770111197. The next prime is 150216770111227. The reversal of 150216770111221 is 122111077612051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 150216770111221 - 2¹⁷ = 150216769980149 is a prime.

It is a super-2 number, since 2×150216770111221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150216770111227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6828035005045 + ... + 6828035005066.

It is an arithmetic number, because the mean of its divisors is an integer number (40968210030336).

Almost surely, 2^{150216770111221} is an apocalyptic number.

150216770111221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

150216770111221 is a deficient number, since it is larger than the sum of its proper divisors (13656070010123).

150216770111221 is a wasteful number, since it uses less digits than its factorization.

150216770111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13656070010122.

The product of its (nonzero) digits is 11760, while the sum is 37.

The spelling of 150216770111221 in words is "one hundred fifty trillion, two hundred sixteen billion, seven hundred seventy million, one hundred eleven thousand, two hundred twenty-one".