1021102012011 has 32 divisors (see below), whose sum is σ = 1419579611136. Its totient is φ = 652125600000.

The previous prime is 1021102011989. The next prime is 1021102012033. The reversal of 1021102012011 is 1102102011201.

It is an interprime number because it is at equal distance from previous prime (1021102011989) and next prime (1021102012033).

It is not a de Polignac number, because 1021102012011 - 2¹³ = 1021102003819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021102011011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81027111 + ... + 81039711.

It is an arithmetic number, because the mean of its divisors is an integer number (44361862848).

Almost surely, 2^{1021102012011} is an apocalyptic number.

1021102012011 is a deficient number, since it is larger than the sum of its proper divisors (398477599125).

1021102012011 is a wasteful number, since it uses less digits than its factorization.

1021102012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21363.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021102012011 its reverse (1102102011201), we get a palindrome (2123204023212).

The spelling of 1021102012011 in words is "one trillion, twenty-one billion, one hundred two million, twelve thousand, eleven".