1020133212111 has 12 divisors (see below), whose sum is σ = 1586873885688. Its totient is φ = 627774284304.

The previous prime is 1020133212107. The next prime is 1020133212139. The reversal of 1020133212111 is 1112123310201.

1020133212111 is a `hidden beast` number, since 1 + 0 + 201 + 332 + 121 + 11 = 666.

It is not a de Polignac number, because 1020133212111 - 2² = 1020133212107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020133212191) 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, 4359543525 + ... + 4359543758.

It is an arithmetic number, because the mean of its divisors is an integer number (132239490474).

Almost surely, 2^{1020133212111} is an apocalyptic number.

1020133212111 is a deficient number, since it is larger than the sum of its proper divisors (566740673577).

1020133212111 is a wasteful number, since it uses less digits than its factorization.

1020133212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719087302 (or 8719087299 counting only the distinct ones).

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

Adding to 1020133212111 its reverse (1112123310201), we get a palindrome (2132256522312).

The spelling of 1020133212111 in words is "one trillion, twenty billion, one hundred thirty-three million, two hundred twelve thousand, one hundred eleven".