1101021012211 has 2 divisors, whose sum is σ = 1101021012212. Its totient is φ = 1101021012210.

The previous prime is 1101021012149. The next prime is 1101021012233. The reversal of 1101021012211 is 1122101201011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101021012211 - 2¹³ = 1101021004019 is a prime.

It is a super-2 number, since 2×1101021012211² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101021012191 and 1101021012200.

It is not a weakly prime, because it can be changed into another prime (1101021012811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550510506105 + 550510506106.

It is an arithmetic number, because the mean of its divisors is an integer number (550510506106).

Almost surely, 2^{1101021012211} is an apocalyptic number.

1101021012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101021012211 is an equidigital number, since it uses as much as digits as its factorization.

1101021012211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1101021012211 its reverse (1122101201011), we get a palindrome (2223122213222).

The spelling of 1101021012211 in words is "one trillion, one hundred one billion, twenty-one million, twelve thousand, two hundred eleven".