1023112111292 has 6 divisors (see below), whose sum is σ = 1790446194768. Its totient is φ = 511556055644.

The previous prime is 1023112111291. The next prime is 1023112111319. The reversal of 1023112111292 is 2921112113201.

It is a super-3 number, since 3×1023112111292³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023112111291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127889013908 + ... + 127889013915.

It is an arithmetic number, because the mean of its divisors is an integer number (298407699128).

Almost surely, 2^{1023112111292} is an apocalyptic number.

It is an amenable number.

1023112111292 is a deficient number, since it is larger than the sum of its proper divisors (767334083476).

1023112111292 is a wasteful number, since it uses less digits than its factorization.

1023112111292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255778027827 (or 255778027825 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

Adding to 1023112111292 its reverse (2921112113201), we get a palindrome (3944224224493).

The spelling of 1023112111292 in words is "one trillion, twenty-three billion, one hundred twelve million, one hundred eleven thousand, two hundred ninety-two".