21111010110002 has 16 divisors (see below), whose sum is σ = 32208487678080. Its totient is φ = 10374905905392.

The previous prime is 21111010109953. The next prime is 21111010110019. The reversal of 21111010110002 is 20001101011112.

It is a super-2 number, since 2×21111010110002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13861898 + ... + 15309285.

It is an arithmetic number, because the mean of its divisors is an integer number (2013030479880).

Almost surely, 2^{21111010110002} is an apocalyptic number.

21111010110002 is a deficient number, since it is larger than the sum of its proper divisors (11097477568078).

21111010110002 is a wasteful number, since it uses less digits than its factorization.

21111010110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29177377.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 21111010110002 its reverse (20001101011112), we get a palindrome (41112111121114).

The spelling of 21111010110002 in words is "twenty-one trillion, one hundred eleven billion, ten million, one hundred ten thousand, two".