1021111020332 has 48 divisors (see below), whose sum is σ = 1987146470400. Its totient is φ = 455926121280.

The previous prime is 1021111020299. The next prime is 1021111020341. The reversal of 1021111020332 is 2330201111201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021111020332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4761719 + ... + 4971537.

It is an arithmetic number, because the mean of its divisors is an integer number (41398884800).

Almost surely, 2^{1021111020332} is an apocalyptic number.

It is an amenable number.

1021111020332 is a deficient number, since it is larger than the sum of its proper divisors (966035450068).

1021111020332 is a wasteful number, since it uses less digits than its factorization.

1021111020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212886 (or 212884 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1021111020332 its reverse (2330201111201), we get a palindrome (3351312131533).

The spelling of 1021111020332 in words is "one trillion, twenty-one billion, one hundred eleven million, twenty thousand, three hundred thirty-two".