1011222121332 has 48 divisors (see below), whose sum is σ = 2498548852800. Its totient is φ = 317216266752.

The previous prime is 1011222121321. The next prime is 1011222121333. The reversal of 1011222121332 is 2331212221101.

1011222121332 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1011222121299 and 1011222121308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011222121333) 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, 1988794 + ... + 2444942.

It is an arithmetic number, because the mean of its divisors is an integer number (52053101100).

Almost surely, 2^{1011222121332} is an apocalyptic number.

1011222121332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011222121332 is an abundant number, since it is smaller than the sum of its proper divisors (1487326731468).

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

1011222121332 is a wasteful number, since it uses less digits than its factorization.

1011222121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467040 (or 467038 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1011222121332 its reverse (2331212221101), we get a palindrome (3342434342433).

The spelling of 1011222121332 in words is "one trillion, eleven billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred thirty-two".