1023212103111 has 12 divisors (see below), whose sum is σ = 1612334223240. Its totient is φ = 620128547280.

The previous prime is 1023212103079. The next prime is 1023212103157. The reversal of 1023212103111 is 1113012123201.

1023212103111 is a `hidden beast` number, since 1 + 0 + 232 + 121 + 0 + 311 + 1 = 666.

It is not a de Polignac number, because 1023212103111 - 2⁵ = 1023212103079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023212103161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5167737796 + ... + 5167737993.

It is an arithmetic number, because the mean of its divisors is an integer number (134361185270).

Almost surely, 2^{1023212103111} is an apocalyptic number.

1023212103111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1023212103111 is a deficient number, since it is larger than the sum of its proper divisors (589122120129).

1023212103111 is a wasteful number, since it uses less digits than its factorization.

1023212103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10335475806 (or 10335475803 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1023212103111 its reverse (1113012123201), we get a palindrome (2136224226312).

The spelling of 1023212103111 in words is "one trillion, twenty-three billion, two hundred twelve million, one hundred three thousand, one hundred eleven".