1022012011211 has 2 divisors, whose sum is σ = 1022012011212. Its totient is φ = 1022012011210.

The previous prime is 1022012011177. The next prime is 1022012011219. The reversal of 1022012011211 is 1121102102201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1022012011211 - 2²⁶ = 1021944902347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022012011219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511006005605 + 511006005606.

It is an arithmetic number, because the mean of its divisors is an integer number (511006005606).

Almost surely, 2^{1022012011211} is an apocalyptic number.

1022012011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022012011211 is an equidigital number, since it uses as much as digits as its factorization.

1022012011211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022012011211 its reverse (1121102102201), we get a palindrome (2143114113412).

The spelling of 1022012011211 in words is "one trillion, twenty-two billion, twelve million, eleven thousand, two hundred eleven".