1011021012111 has 8 divisors (see below), whose sum is σ = 1470576017664. Its totient is φ = 612740007320.

The previous prime is 1011021012101. The next prime is 1011021012143. The reversal of 1011021012111 is 1112101201101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011021012111 - 2⁹ = 1011021011599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011021012101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15318500151 + ... + 15318500216.

It is an arithmetic number, because the mean of its divisors is an integer number (183822002208).

Almost surely, 2^{1011021012111} is an apocalyptic number.

1011021012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011021012111 is a deficient number, since it is larger than the sum of its proper divisors (459555005553).

1011021012111 is a wasteful number, since it uses less digits than its factorization.

1011021012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30637000381.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1011021012111 its reverse (1112101201101), we get a palindrome (2123122213212).

The spelling of 1011021012111 in words is "one trillion, eleven billion, twenty-one million, twelve thousand, one hundred eleven".