22121010012019 has 16 divisors (see below), whose sum is σ = 22462014668800. Its totient is φ = 21782702378304.

The previous prime is 22121010011993. The next prime is 22121010012103. The reversal of 22121010012019 is 91021001012122.

It is a cyclic number.

It is not a de Polignac number, because 22121010012019 - 2¹¹ = 22121010009971 is a prime.

It is a super-2 number, since 2×22121010012019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121010012419) 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, 62119894 + ... + 62474980.

It is an arithmetic number, because the mean of its divisors is an integer number (1403875916800).

Almost surely, 2^{22121010012019} is an apocalyptic number.

22121010012019 is a deficient number, since it is larger than the sum of its proper divisors (341004656781).

22121010012019 is a wasteful number, since it uses less digits than its factorization.

22121010012019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358882.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 22121010012019 in words is "twenty-two trillion, one hundred twenty-one billion, ten million, twelve thousand, nineteen".