2111021102001 has 32 divisors (see below), whose sum is σ = 3296880857088. Its totient is φ = 1176294303360.

The previous prime is 2111021101999. The next prime is 2111021102041. The reversal of 2111021102001 is 1002011201112.

It is not a de Polignac number, because 2111021102001 - 2¹ = 2111021101999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111021102041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1140456 + ... + 2350038.

It is an arithmetic number, because the mean of its divisors is an integer number (103027526784).

Almost surely, 2^{2111021102001} is an apocalyptic number.

2111021102001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2111021102001 is a deficient number, since it is larger than the sum of its proper divisors (1185859755087).

2111021102001 is a wasteful number, since it uses less digits than its factorization.

2111021102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211661.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2111021102001 its reverse (1002011201112), we get a palindrome (3113032303113).

The spelling of 2111021102001 in words is "two trillion, one hundred eleven billion, twenty-one million, one hundred two thousand, one".