2101123202022 has 96 divisors (see below), whose sum is σ = 4919223149568. Its totient is φ = 644312199168.

The previous prime is 2101123202011. The next prime is 2101123202051. The reversal of 2101123202022 is 2202023211012.

2101123202022 is a `hidden beast` number, since 210 + 112 + 320 + 2 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2101123201986 and 2101123202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176514523 + ... + 176526425.

It is an arithmetic number, because the mean of its divisors is an integer number (51241907808).

Almost surely, 2^{2101123202022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101123202022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459611574784).

2101123202022 is an abundant number, since it is smaller than the sum of its proper divisors (2818099947546).

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

2101123202022 is a wasteful number, since it uses less digits than its factorization.

2101123202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14414 (or 14411 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2101123202022 its reverse (2202023211012), we get a palindrome (4303146413034).

The spelling of 2101123202022 in words is "two trillion, one hundred one billion, one hundred twenty-three million, two hundred two thousand, twenty-two".