202201021011111 has 8 divisors (see below), whose sum is σ = 273625262264064. Its totient is φ = 132788730216120.

The previous prime is 202201021011109. The next prime is 202201021011173. The reversal of 202201021011111 is 111110120102202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202201021011111 - 2¹ = 202201021011109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201021011811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502987614255 + ... + 502987614656.

It is an arithmetic number, because the mean of its divisors is an integer number (34203157783008).

Almost surely, 2^{202201021011111} is an apocalyptic number.

202201021011111 is a deficient number, since it is larger than the sum of its proper divisors (71424241252953).

202201021011111 is a wasteful number, since it uses less digits than its factorization.

202201021011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005975228981.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 202201021011111 its reverse (111110120102202), we get a palindrome (313311141113313).

The spelling of 202201021011111 in words is "two hundred two trillion, two hundred one billion, twenty-one million, eleven thousand, one hundred eleven".