21100022011030 has 16 divisors (see below), whose sum is σ = 38017680906240. Its totient is φ = 8431644074112.

The previous prime is 21100022011009. The next prime is 21100022011049. The reversal of 21100022011030 is 3011022000112.

It is a self number, because there is not a number n which added to its sum of digits gives 21100022011030.

It is a congruent number.

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, 1045580694 + ... + 1045600873.

It is an arithmetic number, because the mean of its divisors is an integer number (2376105056640).

Almost surely, 2^{21100022011030} is an apocalyptic number.

21100022011030 is a deficient number, since it is larger than the sum of its proper divisors (16917658895210).

21100022011030 is a wasteful number, since it uses less digits than its factorization.

21100022011030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091182583.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21100022011030 its reverse (3011022000112), we get a palindrome (24111044011142).

The spelling of 21100022011030 in words is "twenty-one trillion, one hundred billion, twenty-two million, eleven thousand, thirty".