222011133021111 has 64 divisors (see below), whose sum is σ = 339988470681600. Its totient is φ = 126232722846720.

The previous prime is 222011133021107. The next prime is 222011133021113. The reversal of 222011133021111 is 111120331110222.

It is not a de Polignac number, because 222011133021111 - 2² = 222011133021107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011133021113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29024853415 + ... + 29024861063.

It is an arithmetic number, because the mean of its divisors is an integer number (5312319854400).

Almost surely, 2^{222011133021111} is an apocalyptic number.

222011133021111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222011133021111 is a deficient number, since it is larger than the sum of its proper divisors (117977337660489).

222011133021111 is a wasteful number, since it uses less digits than its factorization.

222011133021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14356.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 222011133021111 its reverse (111120331110222), we get a palindrome (333131464131333).

The spelling of 222011133021111 in words is "two hundred twenty-two trillion, eleven billion, one hundred thirty-three million, twenty-one thousand, one hundred eleven".