100020000101211 has 8 divisors (see below), whose sum is σ = 148177777927760. Its totient is φ = 66680000067456.

The previous prime is 100020000101209. The next prime is 100020000101213. The reversal of 100020000101211 is 112101000020001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100020000101209) and next prime (100020000101213).

It is not a de Polignac number, because 100020000101211 - 2¹ = 100020000101209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100020000101193 and 100020000101202.

It is not an unprimeable number, because it can be changed into a prime (100020000101213) 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, 1852222224070 + ... + 1852222224123.

It is an arithmetic number, because the mean of its divisors is an integer number (18522222240970).

Almost surely, 2^{100020000101211} is an apocalyptic number.

100020000101211 is a deficient number, since it is larger than the sum of its proper divisors (48157777826549).

100020000101211 is an equidigital number, since it uses as much as digits as its factorization.

100020000101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704444448202 (or 3704444448196 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100020000101211 its reverse (112101000020001), we get a palindrome (212121000121212).

The spelling of 100020000101211 in words is "one hundred trillion, twenty billion, one hundred one thousand, two hundred eleven".