10121200121019 has 16 divisors (see below), whose sum is σ = 14533144833312. Its totient is φ = 6228371044608.

The previous prime is 10121200120987. The next prime is 10121200121041. The reversal of 10121200121019 is 91012100212101.

It is not a de Polignac number, because 10121200121019 - 2⁵ = 10121200120987 is a prime.

It is a super-2 number, since 2×10121200121019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121200120986 and 10121200121004.

It is not an unprimeable number, because it can be changed into a prime (10121200121519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3056407 + ... + 5439119.

It is an arithmetic number, because the mean of its divisors is an integer number (908321552082).

Almost surely, 2^{10121200121019} is an apocalyptic number.

10121200121019 is a deficient number, since it is larger than the sum of its proper divisors (4411944712293).

10121200121019 is a wasteful number, since it uses less digits than its factorization.

10121200121019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491646.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 10121200121019 in words is "ten trillion, one hundred twenty-one billion, two hundred million, one hundred twenty-one thousand, nineteen".