1011090929091 has 16 divisors (see below), whose sum is σ = 1380239160960. Its totient is φ = 658019073600.

The previous prime is 1011090929089. The next prime is 1011090929141. The reversal of 1011090929091 is 1909290901101.

It is not a de Polignac number, because 1011090929091 - 2¹ = 1011090929089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011090939091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943661 + ... + 2408318.

It is an arithmetic number, because the mean of its divisors is an integer number (86264947560).

Almost surely, 2^{1011090929091} is an apocalyptic number.

1011090929091 is a deficient number, since it is larger than the sum of its proper divisors (369148231869).

1011090929091 is a wasteful number, since it uses less digits than its factorization.

1011090929091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353826.

The product of its (nonzero) digits is 13122, while the sum is 42.

The spelling of 1011090929091 in words is "one trillion, eleven billion, ninety million, nine hundred twenty-nine thousand, ninety-one".