1022111022132 has 18 divisors (see below), whose sum is σ = 2583669528258. Its totient is φ = 340703674032.

The previous prime is 1022111022089. The next prime is 1022111022133. The reversal of 1022111022132 is 2312201112201.

It can be written as a sum of positive squares in only one way, i.e., 1018072928016 + 4038094116 = 1008996^2 + 63546^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022111022133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14195986383 + ... + 14195986454.

Almost surely, 2^{1022111022132} is an apocalyptic number.

1022111022132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022111022132 is an abundant number, since it is smaller than the sum of its proper divisors (1561558506126).

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

1022111022132 is a wasteful number, since it uses less digits than its factorization.

1022111022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28391972847 (or 28391972842 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1022111022132 its reverse (2312201112201), we get a palindrome (3334312134333).

The spelling of 1022111022132 in words is "one trillion, twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred thirty-two".