2122011111020 has 24 divisors (see below), whose sum is σ = 4456291001568. Its totient is φ = 848791555200.

The previous prime is 2122011111007. The next prime is 2122011111029. The reversal of 2122011111020 is 201111102212.

It is a junction number, because it is equal to n+sod(n) for n = 2122011110986 and 2122011111004.

It is not an unprimeable number, because it can be changed into a prime (2122011111029) 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, 604640 + ... + 2147000.

It is an arithmetic number, because the mean of its divisors is an integer number (185678791732).

Almost surely, 2^{2122011111020} is an apocalyptic number.

2122011111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122011111020 is an abundant number, since it is smaller than the sum of its proper divisors (2334279890548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122011111020 is a wasteful number, since it uses less digits than its factorization.

2122011111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611161 (or 1611159 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2122011111020 its reverse (201111102212), we get a palindrome (2323122213232).

The spelling of 2122011111020 in words is "two trillion, one hundred twenty-two billion, eleven million, one hundred eleven thousand, twenty".