102011101121000 has 128 divisors (see below), whose sum is σ = 243332146980000. Its totient is φ = 40014416332800.

The previous prime is 102011101120963. The next prime is 102011101121009. The reversal of 102011101121000 is 121101110201.

It can be written as a sum of positive squares in 16 ways, for example, as 483027780004 + 101528073340996 = 695002^2 + 10076114^2 .

It is not an unprimeable number, because it can be changed into a prime (102011101121009) 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, 105146126 + ... + 106111874.

Almost surely, 2^{102011101121000} is an apocalyptic number.

102011101121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102011101121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121666073490000).

102011101121000 is an abundant number, since it is smaller than the sum of its proper divisors (141321045859000).

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

102011101121000 is a wasteful number, since it uses less digits than its factorization.

102011101121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967816 (or 967802 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102011101121000 its reverse (121101110201), we get a palindrome (102132202231201).

The spelling of 102011101121000 in words is "one hundred two trillion, eleven billion, one hundred one million, one hundred twenty-one thousand".