2122121101302 has 160 divisors (see below), whose sum is σ = 4855611420000. Its totient is φ = 692607117312.

The previous prime is 2122121101241. The next prime is 2122121101327. The reversal of 2122121101302 is 2031011212212.

2122121101302 is a `hidden beast` number, since 21 + 221 + 21 + 101 + 302 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 985656658 + ... + 985658810.

It is an arithmetic number, because the mean of its divisors is an integer number (30347571375).

Almost surely, 2^{2122121101302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122121101302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2427805710000).

2122121101302 is an abundant number, since it is smaller than the sum of its proper divisors (2733490318698).

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

2122121101302 is a wasteful number, since it uses less digits than its factorization.

2122121101302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 2883 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2122121101302 its reverse (2031011212212), we get a palindrome (4153132313514).

The spelling of 2122121101302 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, three hundred two".