2011021001022 has 32 divisors (see below), whose sum is σ = 4387733662464. Its totient is φ = 609393153600.

The previous prime is 2011021000999. The next prime is 2011021001023. The reversal of 2011021001022 is 2201001201102.

It is a junction number, because it is equal to n+sod(n) for n = 2011021000989 and 2011021001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011021001023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9149943 + ... + 9367149.

It is an arithmetic number, because the mean of its divisors is an integer number (137116676952).

Almost surely, 2^{2011021001022} is an apocalyptic number.

2011021001022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2011021001022 is an abundant number, since it is smaller than the sum of its proper divisors (2376712661442).

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

2011021001022 is a wasteful number, since it uses less digits than its factorization.

2011021001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357504.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2011021001022 its reverse (2201001201102), we get a palindrome (4212022202124).

The spelling of 2011021001022 in words is "two trillion, eleven billion, twenty-one million, one thousand, twenty-two".