201001011021222 has 64 divisors (see below), whose sum is σ = 405964215498240. Its totient is φ = 66343553280000.

The previous prime is 201001011021203. The next prime is 201001011021227. The reversal of 201001011021222 is 222120110100102.

It is a super-2 number, since 2×201001011021222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001011021227) 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, 438955404 + ... + 439413072.

It is an arithmetic number, because the mean of its divisors is an integer number (6343190867160).

Almost surely, 2^{201001011021222} is an apocalyptic number.

201001011021222 is an abundant number, since it is smaller than the sum of its proper divisors (204963204477018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201001011021222 is a wasteful number, since it uses less digits than its factorization.

201001011021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459629.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201001011021222 its reverse (222120110100102), we get a palindrome (423121121121324).

The spelling of 201001011021222 in words is "two hundred one trillion, one billion, eleven million, twenty-one thousand, two hundred twenty-two".