2211032977020 has 864 divisors, whose sum is σ = 8510820304896. Its totient is φ = 479763648000.

The previous prime is 2211032977019. The next prime is 2211032977141. The reversal of 2211032977020 is 207792301122.

It is a super-3 number, since 3×2211032977020³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 391261195 + ... + 391266845.

It is an arithmetic number, because the mean of its divisors is an integer number (9850486464).

Almost surely, 2^{2211032977020} is an apocalyptic number.

2211032977020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211032977020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4255410152448).

2211032977020 is an abundant number, since it is smaller than the sum of its proper divisors (6299787327876).

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

2211032977020 is a wasteful number, since it uses less digits than its factorization.

2211032977020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773 (or 5752 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 2211032977020 in words is "two trillion, two hundred eleven billion, thirty-two million, nine hundred seventy-seven thousand, twenty".