2012022100919 has 2 divisors, whose sum is σ = 2012022100920. Its totient is φ = 2012022100918.

The previous prime is 2012022100867. The next prime is 2012022101053. The reversal of 2012022100919 is 9190012202102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012022100919 - 2¹⁶ = 2012022035383 is a prime.

It is a super-2 number, since 2×2012022100919² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012022100891 and 2012022100900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012022108919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006011050459 + 1006011050460.

It is an arithmetic number, because the mean of its divisors is an integer number (1006011050460).

Almost surely, 2^{2012022100919} is an apocalyptic number.

2012022100919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012022100919 is an equidigital number, since it uses as much as digits as its factorization.

2012022100919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 2012022100919 in words is "two trillion, twelve billion, twenty-two million, one hundred thousand, nine hundred nineteen".