2002121120111 has 16 divisors (see below), whose sum is σ = 2290908402240. Its totient is φ = 1714026839040.

The previous prime is 2002121120101. The next prime is 2002121120137. The reversal of 2002121120111 is 1110211212002.

It is a cyclic number.

It is not a de Polignac number, because 2002121120111 - 2¹⁰ = 2002121119087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002121120101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63590105 + ... + 63621581.

It is an arithmetic number, because the mean of its divisors is an integer number (143181775140).

Almost surely, 2^{2002121120111} is an apocalyptic number.

2002121120111 is a deficient number, since it is larger than the sum of its proper divisors (288787282129).

2002121120111 is an equidigital number, since it uses as much as digits as its factorization.

2002121120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42194.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2002121120111 its reverse (1110211212002), we get a palindrome (3112332332113).

The spelling of 2002121120111 in words is "two trillion, two billion, one hundred twenty-one million, one hundred twenty thousand, one hundred eleven".