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102001011111011 = 10733231585918089
BaseRepresentation
bin10111001100010011110110…
…000010001011010001100011
3111101011012102211202010210202
4113030103312002023101203
5101332141032321023021
61000534341223215415
730325221100015655
oct2714236602132143
9441135384663722
10102001011111011
112a55642767a6a1
12b5345902a756b
1344bb86700794c
141b28c37aa26d5
15bbd431425a0b
hex5cc4f608b463

102001011111011 has 16 divisors (see below), whose sum is σ = 102997461340800. Its totient is φ = 101005368222528.

The previous prime is 102001011111007. The next prime is 102001011111049. The reversal of 102001011111011 is 110111110100201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102001011111011 - 22 = 102001011111007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102001011110983 and 102001011111001.

It is not an unprimeable number, because it can be changed into a prime (102001011113011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5638832855 + ... + 5638850943.

It is an arithmetic number, because the mean of its divisors is an integer number (6437341333800).

Almost surely, 2102001011111011 is an apocalyptic number.

102001011111011 is a deficient number, since it is larger than the sum of its proper divisors (996450229789).

102001011111011 is a wasteful number, since it uses less digits than its factorization.

102001011111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37378.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 102001011111011 its reverse (110111110100201), we get a palindrome (212112121211212).

The spelling of 102001011111011 in words is "one hundred two trillion, one billion, eleven million, one hundred eleven thousand, eleven".

Divisors: 1 107 3323 15859 18089 355561 1696913 1935523 52699457 60109747 286873451 5638841899 6431742929 30695459257 953280477673 102001011111011