1201012100011 has 16 divisors (see below), whose sum is σ = 1233479150496. Its totient is φ = 1168970400000.

The previous prime is 1201012099957. The next prime is 1201012100083. The reversal of 1201012100011 is 1100012101021.

It is a cyclic number.

It is not a de Polignac number, because 1201012100011 - 2⁹ = 1201012099499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201012100311) 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, 11103751 + ... + 11211391.

It is an arithmetic number, because the mean of its divisors is an integer number (77092446906).

Almost surely, 2^{1201012100011} is an apocalyptic number.

1201012100011 is a deficient number, since it is larger than the sum of its proper divisors (32467050485).

1201012100011 is a wasteful number, since it uses less digits than its factorization.

1201012100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109614.

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

Adding to 1201012100011 its reverse (1100012101021), we get a palindrome (2301024201032).

The spelling of 1201012100011 in words is "one trillion, two hundred one billion, twelve million, one hundred thousand, eleven".