1021124222445 has 32 divisors (see below), whose sum is σ = 1638585060480. Its totient is φ = 543005337600.

The previous prime is 1021124222441. The next prime is 1021124222453. The reversal of 1021124222445 is 5442224211201.

It is not a de Polignac number, because 1021124222445 - 2² = 1021124222441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021124222441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14261946 + ... + 14333364.

It is an arithmetic number, because the mean of its divisors is an integer number (51205783140).

Almost surely, 2^{1021124222445} is an apocalyptic number.

1021124222445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021124222445 is a deficient number, since it is larger than the sum of its proper divisors (617460838035).

1021124222445 is a wasteful number, since it uses less digits than its factorization.

1021124222445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74205.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1021124222445 its reverse (5442224211201), we get a palindrome (6463348433646).

The spelling of 1021124222445 in words is "one trillion, twenty-one billion, one hundred twenty-four million, two hundred twenty-two thousand, four hundred forty-five".