10200120011011 has 4 divisors (see below), whose sum is σ = 11657280012592. Its totient is φ = 8742960009432.

The previous prime is 10200120010933. The next prime is 10200120011063. The reversal of 10200120011011 is 11011002100201.

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 10200120011011 - 2²¹ = 10200117913859 is a prime.

It is a super-2 number, since 2×10200120011011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10200120011911) 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, 728580000780 + ... + 728580000793.

It is an arithmetic number, because the mean of its divisors is an integer number (2914320003148).

Almost surely, 2^{10200120011011} is an apocalyptic number.

10200120011011 is a deficient number, since it is larger than the sum of its proper divisors (1457160001581).

10200120011011 is an equidigital number, since it uses as much as digits as its factorization.

10200120011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457160001580.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10200120011011 its reverse (11011002100201), we get a palindrome (21211122111212).

The spelling of 10200120011011 in words is "ten trillion, two hundred billion, one hundred twenty million, eleven thousand, eleven".