2121011202201 has 8 divisors (see below), whose sum is σ = 2830229518464. Its totient is φ = 1412900177040.

The previous prime is 2121011202143. The next prime is 2121011202269. The reversal of 2121011202201 is 1022021101212.

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

It is not a de Polignac number, because 2121011202201 - 2⁶ = 2121011202137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121011201201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276818305 + ... + 276825966.

It is an arithmetic number, because the mean of its divisors is an integer number (353778689808).

Almost surely, 2^{2121011202201} is an apocalyptic number.

It is an amenable number.

2121011202201 is a deficient number, since it is larger than the sum of its proper divisors (709218316263).

2121011202201 is a wasteful number, since it uses less digits than its factorization.

2121011202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553645551.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2121011202201 its reverse (1022021101212), we get a palindrome (3143032303413).

The spelling of 2121011202201 in words is "two trillion, one hundred twenty-one billion, eleven million, two hundred two thousand, two hundred one".