1011012222 has 32 divisors (see below), whose sum is σ = 2227699584. Its totient is φ = 303332000.

The previous prime is 1011012157. The next prime is 1011012229. The reversal of 1011012222 is 2222101101.

It is a junction number, because it is equal to n+sod(n) for n = 1011012198 and 1011012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011012229) 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, 69168 + ... + 82499.

It is an arithmetic number, because the mean of its divisors is an integer number (69615612).

Almost surely, 2^1011012222 is an apocalyptic number.

1011012222 is an abundant number, since it is smaller than the sum of its proper divisors (1216687362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011012222 is a wasteful number, since it uses less digits than its factorization.

1011012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151784.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1011012222 is about 31796.4183832079. The cubic root of 1011012222 is about 1003.6573481639.

Adding to 1011012222 its reverse (2222101101), we get a palindrome (3233113323).

It can be divided in two parts, 101101 and 2222, that multiplied together give a palindrome (224646422).

The spelling of 1011012222 in words is "one billion, eleven million, twelve thousand, two hundred twenty-two".