2100110021102 has 16 divisors (see below), whose sum is σ = 3163818251520. Its totient is φ = 1045505250552.

The previous prime is 2100110021101. The next prime is 2100110021147. The reversal of 2100110021102 is 2011200110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100110021101) 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, 2907893 + ... + 3557535.

It is an arithmetic number, because the mean of its divisors is an integer number (197738640720).

Almost surely, 2^{2100110021102} is an apocalyptic number.

2100110021102 is a deficient number, since it is larger than the sum of its proper divisors (1063708230418).

2100110021102 is a wasteful number, since it uses less digits than its factorization.

2100110021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656647.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100110021102 its reverse (2011200110012), we get a palindrome (4111310131114).

The spelling of 2100110021102 in words is "two trillion, one hundred billion, one hundred ten million, twenty-one thousand, one hundred two".