201201212021011 has 32 divisors (see below), whose sum is σ = 208380294144000. Its totient is φ = 194150324699520.

The previous prime is 201201212021009. The next prime is 201201212021059. The reversal of 201201212021011 is 110120212102102.

It is a cyclic number.

It is not a de Polignac number, because 201201212021011 - 2¹ = 201201212021009 is a prime.

It is a super-2 number, since 2×201201212021011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201212021081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12958143330 + ... + 12958158856.

It is an arithmetic number, because the mean of its divisors is an integer number (6511884192000).

Almost surely, 2^{201201212021011} is an apocalyptic number.

201201212021011 is a deficient number, since it is larger than the sum of its proper divisors (7179082122989).

201201212021011 is a wasteful number, since it uses less digits than its factorization.

201201212021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26499.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201201212021011 its reverse (110120212102102), we get a palindrome (311321424123113).

It can be divided in two parts, 201201 and 212021011, that added together give a palindrome (212222212).

The spelling of 201201212021011 in words is "two hundred one trillion, two hundred one billion, two hundred twelve million, twenty-one thousand, eleven".