2102010022111 has 2 divisors, whose sum is σ = 2102010022112. Its totient is φ = 2102010022110.

The previous prime is 2102010022087. The next prime is 2102010022199. The reversal of 2102010022111 is 1112200102012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102010022111 - 2³¹ = 2099862538463 is a prime.

It is a super-2 number, since 2×2102010022111² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102010022091 and 2102010022100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102010022711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051005011055 + 1051005011056.

It is an arithmetic number, because the mean of its divisors is an integer number (1051005011056).

Almost surely, 2^{2102010022111} is an apocalyptic number.

2102010022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102010022111 is an equidigital number, since it uses as much as digits as its factorization.

2102010022111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2102010022111 its reverse (1112200102012), we get a palindrome (3214210124123).

The spelling of 2102010022111 in words is "two trillion, one hundred two billion, ten million, twenty-two thousand, one hundred eleven".