20002201011111 has 16 divisors (see below), whose sum is σ = 30032630258688. Its totient is φ = 11731496193600.

The previous prime is 20002201011101. The next prime is 20002201011113. The reversal of 20002201011111 is 11111010220002.

It is not a de Polignac number, because 20002201011111 - 2⁶ = 20002201011047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002201011113) 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, 9776245806 + ... + 9776247851.

It is an arithmetic number, because the mean of its divisors is an integer number (1877039391168).

Almost surely, 2^{20002201011111} is an apocalyptic number.

20002201011111 is a deficient number, since it is larger than the sum of its proper divisors (10030429247577).

20002201011111 is a wasteful number, since it uses less digits than its factorization.

20002201011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19552493702.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20002201011111 its reverse (11111010220002), we get a palindrome (31113211231113).

The spelling of 20002201011111 in words is "twenty trillion, two billion, two hundred one million, eleven thousand, one hundred eleven".