1011245201011 has 4 divisors (see below), whose sum is σ = 1013271745000. Its totient is φ = 1009218657024.

The previous prime is 1011245200967. The next prime is 1011245201033. The reversal of 1011245201011 is 1101025421101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011245201011 - 2⁷ = 1011245200883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011245201011.

It is not an unprimeable number, because it can be changed into a prime (1011245201311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013271246 + ... + 1013272243.

It is an arithmetic number, because the mean of its divisors is an integer number (253317936250).

Almost surely, 2^{1011245201011} is an apocalyptic number.

1011245201011 is a deficient number, since it is larger than the sum of its proper divisors (2026543989).

1011245201011 is an equidigital number, since it uses as much as digits as its factorization.

1011245201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026543988.

The product of its (nonzero) digits is 80, while the sum is 19.

It can be divided in two parts, 101124520 and 1011, that added together give a triangular number (101125531 = T₁₄₂₂₁).

The spelling of 1011245201011 in words is "one trillion, eleven billion, two hundred forty-five million, two hundred one thousand, eleven".