1102011211021 has 32 divisors (see below), whose sum is σ = 1314616320000. Its totient is φ = 904244280192.

The previous prime is 1102011210967. The next prime is 1102011211039. The reversal of 1102011211021 is 1201121102011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1102011211021 - 2¹³ = 1102011202829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102011210992 and 1102011211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102011212021) 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, 3720145 + ... + 4005433.

It is an arithmetic number, because the mean of its divisors is an integer number (41081760000).

Almost surely, 2^{1102011211021} is an apocalyptic number.

It is an amenable number.

1102011211021 is a deficient number, since it is larger than the sum of its proper divisors (212605108979).

1102011211021 is a wasteful number, since it uses less digits than its factorization.

1102011211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285601.

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

Adding to 1102011211021 its reverse (1201121102011), we get a palindrome (2303132313032).

The spelling of 1102011211021 in words is "one trillion, one hundred two billion, eleven million, two hundred eleven thousand, twenty-one".