1021133101412 has 12 divisors (see below), whose sum is σ = 1788014089596. Its totient is φ = 510271932960.

The previous prime is 1021133101403. The next prime is 1021133101481. The reversal of 1021133101412 is 2141013311201.

It can be written as a sum of positive squares in 2 ways, for example, as 624817526116 + 396315575296 = 790454^2 + 629536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73646639 + ... + 73660502.

It is an arithmetic number, because the mean of its divisors is an integer number (149001174133).

Almost surely, 2^{1021133101412} is an apocalyptic number.

It is an amenable number.

1021133101412 is a deficient number, since it is larger than the sum of its proper divisors (766880988184).

1021133101412 is a wasteful number, since it uses less digits than its factorization.

1021133101412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147308878 (or 147308876 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1021133101412 its reverse (2141013311201), we get a palindrome (3162146412613).

The spelling of 1021133101412 in words is "one trillion, twenty-one billion, one hundred thirty-three million, one hundred one thousand, four hundred twelve".