2121200001022 has 8 divisors (see below), whose sum is σ = 3181806779400. Its totient is φ = 1060597741224.

The previous prime is 2121200001013. The next prime is 2121200001029. The reversal of 2121200001022 is 2201000021212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2121200000993 and 2121200001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121200001029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533929 + ... + 2127787.

It is an arithmetic number, because the mean of its divisors is an integer number (397725847425).

Almost surely, 2^{2121200001022} is an apocalyptic number.

2121200001022 is a deficient number, since it is larger than the sum of its proper divisors (1060606778378).

2121200001022 is a wasteful number, since it uses less digits than its factorization.

2121200001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259290.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2121200001022 its reverse (2201000021212), we get a palindrome (4322200022234).

The spelling of 2121200001022 in words is "two trillion, one hundred twenty-one billion, two hundred million, one thousand, twenty-two".