121020022087 has 2 divisors, whose sum is σ = 121020022088. Its totient is φ = 121020022086.

The previous prime is 121020022043. The next prime is 121020022091. The reversal of 121020022087 is 780220020121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121020022087 - 2⁷ = 121020021959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121020022787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510011043 + 60510011044.

It is an arithmetic number, because the mean of its divisors is an integer number (60510011044).

Almost surely, 2^121020022087 is an apocalyptic number.

121020022087 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020022087 is an equidigital number, since it uses as much as digits as its factorization.

121020022087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 121020022087 in words is "one hundred twenty-one billion, twenty million, twenty-two thousand, eighty-seven".