20011100210002 has 32 divisors (see below), whose sum is σ = 32815998520704. Its totient is φ = 9076357929600.

The previous prime is 20011100209993. The next prime is 20011100210041. The reversal of 20011100210002 is 20001200111002.

It is a super-2 number, since 2×20011100210002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111904102 + ... + 112082782.

It is an arithmetic number, because the mean of its divisors is an integer number (1025499953772).

Almost surely, 2^{20011100210002} is an apocalyptic number.

20011100210002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20011100210002 is a deficient number, since it is larger than the sum of its proper divisors (12804898310702).

20011100210002 is a wasteful number, since it uses less digits than its factorization.

20011100210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189634.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20011100210002 its reverse (20001200111002), we get a palindrome (40012300321004).

The spelling of 20011100210002 in words is "twenty trillion, eleven billion, one hundred million, two hundred ten thousand, two".