20202213111 has 16 divisors (see below), whose sum is σ = 27191445984. Its totient is φ = 13340708864.

The previous prime is 20202213107. The next prime is 20202213113. The reversal of 20202213111 is 11131220202.

It is a cyclic number.

It is not a de Polignac number, because 20202213111 - 2² = 20202213107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202213113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557725 + ... + 592841.

It is an arithmetic number, because the mean of its divisors is an integer number (1699465374).

Almost surely, 2^20202213111 is an apocalyptic number.

20202213111 is a deficient number, since it is larger than the sum of its proper divisors (6989232873).

20202213111 is a wasteful number, since it uses less digits than its factorization.

20202213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36930.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20202213111 its reverse (11131220202), we get a palindrome (31333433313).

The spelling of 20202213111 in words is "twenty billion, two hundred two million, two hundred thirteen thousand, one hundred eleven".