21112101120002 has 16 divisors (see below), whose sum is σ = 32719228301760. Its totient is φ = 10210458473712.

The previous prime is 21112101120001. The next prime is 21112101120029. The reversal of 21112101120002 is 20002110121112.

It is not an unprimeable number, because it can be changed into a prime (21112101120001) 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, 1191687977 + ... + 1191705692.

It is an arithmetic number, because the mean of its divisors is an integer number (2044951768860).

Almost surely, 2^{21112101120002} is an apocalyptic number.

21112101120002 is a deficient number, since it is larger than the sum of its proper divisors (11607127181758).

21112101120002 is a wasteful number, since it uses less digits than its factorization.

21112101120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383393817.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21112101120002 its reverse (20002110121112), we get a palindrome (41114211241114).

The spelling of 21112101120002 in words is "twenty-one trillion, one hundred twelve billion, one hundred one million, one hundred twenty thousand, two".