202201000222111 has 4 divisors (see below), whose sum is σ = 220582909333224. Its totient is φ = 183819091111000.

The previous prime is 202201000222103. The next prime is 202201000222141. The reversal of 202201000222111 is 111222000102202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202201000222111 - 2³ = 202201000222103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201000222141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9190954555540 + ... + 9190954555561.

It is an arithmetic number, because the mean of its divisors is an integer number (55145727333306).

Almost surely, 2^{202201000222111} is an apocalyptic number.

202201000222111 is a deficient number, since it is larger than the sum of its proper divisors (18381909111113).

202201000222111 is a wasteful number, since it uses less digits than its factorization.

202201000222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18381909111112.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202201000222111 its reverse (111222000102202), we get a palindrome (313423000324313).

The spelling of 202201000222111 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-two thousand, one hundred eleven".