1025111122402 has 16 divisors (see below), whose sum is σ = 1567092570912. Its totient is φ = 502810418880.

The previous prime is 1025111122393. The next prime is 1025111122429. The reversal of 1025111122402 is 2042211115201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15839248 + ... + 15903835.

It is an arithmetic number, because the mean of its divisors is an integer number (97943285682).

Almost surely, 2^{1025111122402} is an apocalyptic number.

1025111122402 is a deficient number, since it is larger than the sum of its proper divisors (541981448510).

1025111122402 is a wasteful number, since it uses less digits than its factorization.

1025111122402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31743393.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 1025111122402 its reverse (2042211115201), we get a palindrome (3067322237603).

The spelling of 1025111122402 in words is "one trillion, twenty-five billion, one hundred eleven million, one hundred twenty-two thousand, four hundred two".