2010021999877 has 2 divisors, whose sum is σ = 2010021999878. Its totient is φ = 2010021999876.

The previous prime is 2010021999871. The next prime is 2010021999913. The reversal of 2010021999877 is 7789991200102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1950019537761 + 60002462116 = 1396431^2 + 244954^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010021999877 - 2¹⁹ = 2010021475589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010021999871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005010999938 + 1005010999939.

It is an arithmetic number, because the mean of its divisors is an integer number (1005010999939).

Almost surely, 2^{2010021999877} is an apocalyptic number.

It is an amenable number.

2010021999877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010021999877 is an equidigital number, since it uses as much as digits as its factorization.

2010021999877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 55.

The spelling of 2010021999877 in words is "two trillion, ten billion, twenty-one million, nine hundred ninety-nine thousand, eight hundred seventy-seven".