1020201201011 has 16 divisors (see below), whose sum is σ = 1101335780160. Its totient is φ = 942135680640.

The previous prime is 1020201200989. The next prime is 1020201201029. The reversal of 1020201201011 is 1101021020201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020201201011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020201200983 and 1020201201001.

It is not an unprimeable number, because it can be changed into a prime (1020201231011) 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, 13417481 + ... + 13493301.

It is an arithmetic number, because the mean of its divisors is an integer number (68833486260).

Almost surely, 2^{1020201201011} is an apocalyptic number.

1020201201011 is a deficient number, since it is larger than the sum of its proper divisors (81134579149).

1020201201011 is a wasteful number, since it uses less digits than its factorization.

1020201201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96046.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020201201011 its reverse (1101021020201), we get a palindrome (2121222221212).

It can be divided in two parts, 102020 and 1201011, that added together give a palindrome (1303031).

The spelling of 1020201201011 in words is "one trillion, twenty billion, two hundred one million, two hundred one thousand, eleven".