2121001201102 has 48 divisors (see below), whose sum is σ = 3768158229840. Its totient is φ = 892598216832.

The previous prime is 2121001201049. The next prime is 2121001201141. The reversal of 2121001201102 is 2011021001212.

It is a super-2 number, since 2×2121001201102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 970924 + ... + 2276992.

It is an arithmetic number, because the mean of its divisors is an integer number (78503296455).

Almost surely, 2^{2121001201102} is an apocalyptic number.

2121001201102 is a deficient number, since it is larger than the sum of its proper divisors (1647157028738).

2121001201102 is a wasteful number, since it uses less digits than its factorization.

2121001201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306385 (or 1306378 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121001201102 its reverse (2011021001212), we get a palindrome (4132022202314).

The spelling of 2121001201102 in words is "two trillion, one hundred twenty-one billion, one million, two hundred one thousand, one hundred two".