2122111002111 has 8 divisors (see below), whose sum is σ = 2829648030384. Its totient is φ = 1414657320960.

The previous prime is 2122111002103. The next prime is 2122111002119. The reversal of 2122111002111 is 1112001112212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2122111002103) and next prime (2122111002119).

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

It is not a de Polignac number, because 2122111002111 - 2³ = 2122111002103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122111002119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20777346 + ... + 20879231.

It is an arithmetic number, because the mean of its divisors is an integer number (353706003798).

Almost surely, 2^{2122111002111} is an apocalyptic number.

2122111002111 is a deficient number, since it is larger than the sum of its proper divisors (707537028273).

2122111002111 is a wasteful number, since it uses less digits than its factorization.

2122111002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41673561.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2122111002111 its reverse (1112001112212), we get a palindrome (3234112114323).

The spelling of 2122111002111 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, two thousand, one hundred eleven".