20011211022010 has 96 divisors (see below), whose sum is σ = 39803824126080. Its totient is φ = 7200625144320.

The previous prime is 20011211022001. The next prime is 20011211022031. The reversal of 20011211022010 is 1022011211002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200779249 + ... + 200878891.

It is an arithmetic number, because the mean of its divisors is an integer number (414623167980).

Almost surely, 2^{20011211022010} is an apocalyptic number.

20011211022010 is a deficient number, since it is larger than the sum of its proper divisors (19792613104070).

20011211022010 is a wasteful number, since it uses less digits than its factorization.

20011211022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100664 (or 100623 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20011211022010 its reverse (1022011211002), we get a palindrome (21033222233012).

The spelling of 20011211022010 in words is "twenty trillion, eleven billion, two hundred eleven million, twenty-two thousand, ten".