211121100110019 has 32 divisors (see below), whose sum is σ = 320670154520064. Its totient is φ = 122299903066880.

The previous prime is 211121100110017. The next prime is 211121100110023. The reversal of 211121100110019 is 910011001121112.

It is a happy number.

It is not a de Polignac number, because 211121100110019 - 2¹ = 211121100110017 is a prime.

It is a super-2 number, since 2×211121100110019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211121100109977 and 211121100110004.

It is not an unprimeable number, because it can be changed into a prime (211121100110017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100253202 + ... + 102337415.

It is an arithmetic number, because the mean of its divisors is an integer number (10020942328752).

Almost surely, 2^{211121100110019} is an apocalyptic number.

211121100110019 is a deficient number, since it is larger than the sum of its proper divisors (109549054410045).

211121100110019 is a wasteful number, since it uses less digits than its factorization.

211121100110019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202592027.

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 211121100110019 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred million, one hundred ten thousand, nineteen".