2101022021211 has 16 divisors (see below), whose sum is σ = 2802331112448. Its totient is φ = 1400197248000.

The previous prime is 2101022021173. The next prime is 2101022021221. The reversal of 2101022021211 is 1121202201012.

It is not a de Polignac number, because 2101022021211 - 2¹³ = 2101022013019 is a prime.

It is a super-2 number, since 2×2101022021211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101022021221) 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, 174049306 + ... + 174061376.

It is an arithmetic number, because the mean of its divisors is an integer number (175145694528).

Almost surely, 2^{2101022021211} is an apocalyptic number.

2101022021211 is a deficient number, since it is larger than the sum of its proper divisors (701309091237).

2101022021211 is a wasteful number, since it uses less digits than its factorization.

2101022021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27322.

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

Adding to 2101022021211 its reverse (1121202201012), we get a palindrome (3222224222223).

The spelling of 2101022021211 in words is "two trillion, one hundred one billion, twenty-two million, twenty-one thousand, two hundred eleven".