21101211000022 has 8 divisors (see below), whose sum is σ = 32743258448400. Its totient is φ = 10186791517224.

The previous prime is 21101210999969. The next prime is 21101211000031. The reversal of 21101211000022 is 22000011210112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21101211000022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21101210999966 and 21101211000011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181906991322 + ... + 181906991437.

It is an arithmetic number, because the mean of its divisors is an integer number (4092907306050).

Almost surely, 2^{21101211000022} is an apocalyptic number.

21101211000022 is a deficient number, since it is larger than the sum of its proper divisors (11642047448378).

21101211000022 is a wasteful number, since it uses less digits than its factorization.

21101211000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363813982790.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21101211000022 its reverse (22000011210112), we get a palindrome (43101222210134).

The spelling of 21101211000022 in words is "twenty-one trillion, one hundred one billion, two hundred eleven million, twenty-two", and thus it is an aban number.