20210102011211 has 32 divisors (see below), whose sum is σ = 23364282912768. Its totient is φ = 17123972793120.

The previous prime is 20210102011201. The next prime is 20210102011223. The reversal of 20210102011211 is 11211020101202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210102011211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20210102011201) 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, 266998376 + ... + 267074058.

It is an arithmetic number, because the mean of its divisors is an integer number (730133841024).

Almost surely, 2^{20210102011211} is an apocalyptic number.

20210102011211 is a deficient number, since it is larger than the sum of its proper divisors (3154180901557).

20210102011211 is a wasteful number, since it uses less digits than its factorization.

20210102011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77111.

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

Adding to 20210102011211 its reverse (11211020101202), we get a palindrome (31421122112413).

The spelling of 20210102011211 in words is "twenty trillion, two hundred ten billion, one hundred two million, eleven thousand, two hundred eleven".