1022113425154 has 4 divisors (see below), whose sum is σ = 1533170137734. Its totient is φ = 511056712576.

The previous prime is 1022113425133. The next prime is 1022113425169. The reversal of 1022113425154 is 4515243112201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 851325464929 + 170787960225 = 922673^2 + 413265^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255528356287 + ... + 255528356290.

Almost surely, 2^{1022113425154} is an apocalyptic number.

1022113425154 is a deficient number, since it is larger than the sum of its proper divisors (511056712580).

1022113425154 is an equidigital number, since it uses as much as digits as its factorization.

1022113425154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511056712579.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 1022113425154 its reverse (4515243112201), we get a palindrome (5537356537355).

The spelling of 1022113425154 in words is "one trillion, twenty-two billion, one hundred thirteen million, four hundred twenty-five thousand, one hundred fifty-four".