1122222101 has 16 divisors (see below), whose sum is σ = 1506761088. Its totient is φ = 807192000.

The previous prime is 1122222089. The next prime is 1122222119. The reversal of 1122222101 is 1012222211.

It is a cyclic number.

It is not a de Polignac number, because 1122222101 - 2¹⁰ = 1122221077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122222151) 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, 559550 + ... + 561551.

It is an arithmetic number, because the mean of its divisors is an integer number (94172568).

Almost surely, 2^1122222101 is an apocalyptic number.

1122222101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122222101 is a deficient number, since it is larger than the sum of its proper divisors (384538987).

1122222101 is a wasteful number, since it uses less digits than its factorization.

1122222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121132.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1122222101 is about 33499.5835944270. The cubic root of 1122222101 is about 1039.1851670391.

Adding to 1122222101 its reverse (1012222211), we get a palindrome (2134444312).

It can be divided in two parts, 112222210 and 1, that added together give a palindrome (112222211).

The spelling of 1122222101 in words is "one billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred one".