100121020011219 has 128 divisors (see below), whose sum is σ = 139274973167616. Its totient is φ = 63949906944000.

The previous prime is 100121020011217. The next prime is 100121020011223. The reversal of 100121020011219 is 912110020121001.

It is not a de Polignac number, because 100121020011219 - 2¹ = 100121020011217 is a prime.

It is a super-2 number, since 2×100121020011219² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100121020011195 and 100121020011204.

It is not an unprimeable number, because it can be changed into a prime (100121020011217) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 175343292204 + ... + 175343292774.

It is an arithmetic number, because the mean of its divisors is an integer number (1088085727872).

Almost surely, 2^{100121020011219} is an apocalyptic number.

100121020011219 is a deficient number, since it is larger than the sum of its proper divisors (39153953156397).

100121020011219 is a wasteful number, since it uses less digits than its factorization.

100121020011219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

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

The spelling of 100121020011219 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, eleven thousand, two hundred nineteen".