20211211123002 has 32 divisors (see below), whose sum is σ = 44913990663360. Its totient is φ = 6737042149200.

The previous prime is 20211211122983. The next prime is 20211211123021. The reversal of 20211211123002 is 20032111211202.

20211211123002 is a `hidden beast` number, since 20 + 211 + 21 + 112 + 300 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20211211122983) and next prime (20211211123021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15222673 + ... + 16497035.

It is an arithmetic number, because the mean of its divisors is an integer number (1403562208230).

Almost surely, 2^{20211211123002} is an apocalyptic number.

20211211123002 is an abundant number, since it is smaller than the sum of its proper divisors (24702779540358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211211123002 is a wasteful number, since it uses less digits than its factorization.

20211211123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568075 (or 1568069 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20211211123002 its reverse (20032111211202), we get a palindrome (40243322334204).

The spelling of 20211211123002 in words is "twenty trillion, two hundred eleven billion, two hundred eleven million, one hundred twenty-three thousand, two".