2102201101000 has 512 divisors, whose sum is σ = 6745410846720. Its totient is φ = 591947136000.

The previous prime is 2102201100983. The next prime is 2102201101037. The reversal of 2102201101000 is 1011022012.

It is a super-2 number, since 2×2102201101000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 47024659 + ... + 47069341.

It is an arithmetic number, because the mean of its divisors is an integer number (13174630560).

Almost surely, 2^{2102201101000} is an apocalyptic number.

2102201101000 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 2102201101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3372705423360).

2102201101000 is an abundant number, since it is smaller than the sum of its proper divisors (4643209745720).

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

2102201101000 is a wasteful number, since it uses less digits than its factorization.

2102201101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44782 (or 44768 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2102201101000 its reverse (1011022012), we get a palindrome (2103212123012).

The spelling of 2102201101000 in words is "two trillion, one hundred two billion, two hundred one million, one hundred one thousand".