20211102010 has 16 divisors (see below), whose sum is σ = 39687255072. Its totient is φ = 7349491600.

The previous prime is 20211101947. The next prime is 20211102011. The reversal of 20211102010 is 1020111202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20211102011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91868536 + ... + 91868755.

It is an arithmetic number, because the mean of its divisors is an integer number (2480453442).

Almost surely, 2^20211102010 is an apocalyptic number.

20211102010 is a deficient number, since it is larger than the sum of its proper divisors (19476153062).

20211102010 is a wasteful number, since it uses less digits than its factorization.

20211102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183737309.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20211102010 its reverse (1020111202), we get a palindrome (21231213212).

It can be divided in two parts, 20211 and 102010, that added together give a palindrome (122221).

The spelling of 20211102010 in words is "twenty billion, two hundred eleven million, one hundred two thousand, ten".