201212022021011 has 16 divisors (see below), whose sum is σ = 204473627343360. Its totient is φ = 197962329922560.

The previous prime is 201212022020993. The next prime is 201212022021037. The reversal of 201212022021011 is 110120220212102.

It is a cyclic number.

It is not a de Polignac number, because 201212022021011 - 2¹⁴ = 201212022004627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212022021041) 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, 916076960 + ... + 916296578.

It is an arithmetic number, because the mean of its divisors is an integer number (12779601708960).

Almost surely, 2^{201212022021011} is an apocalyptic number.

201212022021011 is a deficient number, since it is larger than the sum of its proper divisors (3261605322349).

201212022021011 is a wasteful number, since it uses less digits than its factorization.

201212022021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246674.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201212022021011 its reverse (110120220212102), we get a palindrome (311332242233113).

The spelling of 201212022021011 in words is "two hundred one trillion, two hundred twelve billion, twenty-two million, twenty-one thousand, eleven".