2122100021011 has 8 divisors (see below), whose sum is σ = 2125861370640. Its totient is φ = 2118341077632.

The previous prime is 2122100021003. The next prime is 2122100021077. The reversal of 2122100021011 is 1101200012212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122100021011 - 2³ = 2122100021003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122100020982 and 2122100021000.

It is not an unprimeable number, because it can be changed into a prime (2122100021911) 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, 1168431 + ... + 2368423.

It is an arithmetic number, because the mean of its divisors is an integer number (265732671330).

Almost surely, 2^{2122100021011} is an apocalyptic number.

2122100021011 is a deficient number, since it is larger than the sum of its proper divisors (3761349629).

2122100021011 is a wasteful number, since it uses less digits than its factorization.

2122100021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203125.

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

Adding to 2122100021011 its reverse (1101200012212), we get a palindrome (3223300033223).

The spelling of 2122100021011 in words is "two trillion, one hundred twenty-two billion, one hundred million, twenty-one thousand, eleven".