121000020212019 has 16 divisors (see below), whose sum is σ = 176190711992064. Its totient is φ = 73412796660000.

The previous prime is 121000020211991. The next prime is 121000020212047. The reversal of 121000020212019 is 910212020000121.

It is an interprime number because it is at equal distance from previous prime (121000020211991) and next prime (121000020212047).

It is not a de Polignac number, because 121000020212019 - 2⁷ = 121000020211891 is a prime.

It is a super-2 number, since 2×121000020212019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121000020211986 and 121000020212004.

It is not an unprimeable number, because it can be changed into a prime (121000020212219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21849043857 + ... + 21849049394.

It is an arithmetic number, because the mean of its divisors is an integer number (11011919499504).

Almost surely, 2^{121000020212019} is an apocalyptic number.

121000020212019 is a deficient number, since it is larger than the sum of its proper divisors (55190691780045).

121000020212019 is a wasteful number, since it uses less digits than its factorization.

121000020212019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43698093338.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 121000020212019 in words is "one hundred twenty-one trillion, twenty million, two hundred twelve thousand, nineteen".