102011221020012 has 24 divisors (see below), whose sum is σ = 238208298853056. Its totient is φ = 33977723701008.

The previous prime is 102011221020011. The next prime is 102011221020031. The reversal of 102011221020012 is 210020122110201.

It is a super-3 number, since 3×102011221020012³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102011221019973 and 102011221020000.

It is not an unprimeable number, because it can be changed into a prime (102011221020011) 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, 3252063538 + ... + 3252094905.

It is an arithmetic number, because the mean of its divisors is an integer number (9925345785544).

Almost surely, 2^{102011221020012} is an apocalyptic number.

102011221020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102011221020012 is an abundant number, since it is smaller than the sum of its proper divisors (136197077833044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102011221020012 is a wasteful number, since it uses less digits than its factorization.

102011221020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504159757 (or 6504159755 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102011221020012 its reverse (210020122110201), we get a palindrome (312031343130213).

The spelling of 102011221020012 in words is "one hundred two trillion, eleven billion, two hundred twenty-one million, twenty thousand, twelve".